D is a point on BC of $$\triangle$$ABC where BD = $$\left(\frac{1}{2}\right)$$DC. Find the ratio of areas of $$ \triangle $$ABD and $$ \triangle $$ABC.
RRB JE 30th May 2019 Shift-2
For the following questions answer them individually
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) No magazine is cap.
2) All caps are cameras.
Conclusions:
I. No camera is magazine.
II. Some cameras are magazines
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Who suggested the four main groups of human blood in 1890?
Yamuna and Gomati are the tributaries of river-
The main structural material of hair is-
In which of the following countries was the 21st FIFA World Cup-2018 held?
Which metal can be displaced by copper from its salt solution?
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Find the missing number in the series.
49, 64, (...), 100, 121
Solution
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By using a windmill, which energy is tapped to rotate wind turbines to drive generators?
P does half as much work as Q. R does half as much work as P and Q together. If R alone can finish it in 40 days, then all of them together will finish the work in how many days?
Where is India's first hi-tech forensic lab, which was recently inaugurated, located?
How is the voltmeter connected in all circuits to measure the voltage between two points?
A precious crystal piece worth Rs.15600 is accidentally dropped and was broken into three pieces, their weights respectively proportional to 2, 3 and 5 units. Value of the crystal varies directly as the cube of its weight. Calculate the percentage loss in the value.
If an item is sold for Rs.8000 at 25% profit, then find the profit.
Solution
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Adipose tissue stores -
In this question, a statement is given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement:
Any student who does not behave properly while in school brings bad name to himself and also for the school.
Conclusions:
I. Such student should be removed from the school.
II. Strict discipline does not improve the behavior of the students.
Solution
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Which of the following is WRONGLY matched?
Simplify: $$\frac{1\frac{1}{4} \div 1\frac{1}{2}}{\frac{1}{15} + 1- \frac{9}{10}}$$
A tank gets filled by a pipe in 2 hours. But due to a leak, it takes 30 more minutes to fill the tank. How long will it take a full tank to get emptied by the leak, when the pipe is closed?
Evaluate: $$2 \tan^2 45^\circ + \cos^2 30^\circ - \sin^2 60^\circ$$
Which of the following states inaugurated a web portal 'Banglar Shiksha' for school students in 2019?
To get a virtual, erect and enlarged image behind a concave mirror, where should the object be placed ?
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Find the ODD one out from the given options.
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Which number will best complete the relationship given below?
27 : 16 :: 125 : ?
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A man goes towards east 5 km, then he takes 120 degrees right turn and goes 5 km. He again takes 120 degrees right turn and goes 5 km. With respect to the starting point, where is he now?
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Varun walked 4.5 km towards south direction and turned right. After reaching 3 km, he turned left and walked 5 km. What is the distance he covered towards south?
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In a certain code language 'no more food' is written as 'ta ka da', 'more than that' is written as 'sa pa ka'. How is 'that' written in that code language?
Solution
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A is now 9 years older than B. In 10 years, A will be twice as old as B was 10 years ago. Find the present age of A.
Solution
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In a data, sum of the deviations about the mean is always:
Which of the following are known as 'nucleons?'
With which of the following sports is Viswanathan Anand associated?
What are the three main lubricants used in moving parts of a machine?
The outermost layer of skin is called-
Keeping the potential difference constant, the resistance of a circuit is doubled. What happens to the current?
The possibility of fraternal twin occurs -
LCM of two numbers 'p' and 'q' is 935 and (p>q). What is the maximum sum of the digits of 'q' out of the possible pairs 'p', 'q'?
If in a certain code, 'HEAVY' is written as 'ICBTZ', then how will 'QUICK' be written in that code?
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A boatman goes 2 km upstream in 1 hour and 1 km downstream in 10 minutes. What is the speed of boat in still water?
Solution
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The element, which has zero electron affinity in the 3rd period is-
Which of the following states is the largest state in India in terms of area?
With the market price coming down by 25%, Sita is able to procure 1 kg of sugar more for Rs.30. What is the original price of sugar?
Solution
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What is the sum of all two-digit numbers $$\leq$$ 50?
For a particular sum at a certain rate, find the ratio of Simple Interest got for 4 years and 8 years.
Solution
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The diameter of a circular wheel is 1.4 m. How many revolutions will it make in travelling 22 km?
Solution
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What is the full form of NABARD?
Read the following information carefully and answer the question given below.
Eight friends— A, B, C, D, E, F, G and H are sitting around a circular table facing the centre. Each one of them likes different brands of car—Swift, Indica, Polo, Volvo, Audi, BMW, Maruti and Kwid, but not necessarily in the same order.
A sits third to the right of the person who likes Kwid. A does not like Polo. E is not an immediate neighbour of H. C sits on the immediate right of the person who likes Polo. Neither A nor H likes Audi or a Indica. The person who likes Audi is not an immediate neighbour of the person who likes Kwid. The person who likes Swift sits second to the left of E. The person who likes Swift is an immediate neighbour of the both persons who like BMW and Maruti. Person who likes Maruti sits third to the right of B. B does not like Audi. F is not an immediate neighbour of A. G is not an immediate neighbour of the person who likes Swift. Only two people sit between the person who likes Maruti and H. The persons who like Audi and the Indica are immediate neighbours of each other.
Which of the following is TRUE with respect to the given seating arrangement?
Which of the following IIT's students have developed a mobile-app to detect fake currency notes in 2019?
When did Chernobyl nuclear disaster take place?
Find the missing number in the series.
21, (...), 22, 36, 23, 37
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__________ is an active form of vitamin A.
Which number will best complete the relationship given below?
2 : 3 :: 23 : ?
Solution
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Ethane, with the molecular formula $$C_2H_6$$ has-
The hormone thyroxine is commonly known as-
A room is 15 ft long and 12 ft broad. A mat has to be placed on the floor of this room leaving 1.5 ft space from the walls. What will be the cost of the mat at the rate of Rs.3.50 per square feet?
Prayagraj Kumbh Mela 2019, entered Guinness Book Of World Records for the-
After the death of which prime minister did Gulzarilal Nanda take over as the acting prime minister for the second time?
Choose the figure that best represents the relationship among the classes given below.
Photography, Time, History, Theatre
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A number, when 35 is subtracted from it, reduces to its 80 percent. What is four-fifths of that number?
Solution
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If 'nitco sco tingo' stands for 'softer than flower', 'tingo rho mst' stands for 'sweeter flower fragrance' and 'mst sco tmp' stands for 'sweeter than smile' what would 'softer' stand for?
Solution
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Which formula gives the refractive index of second medium with respect to the first?
Solution
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If a certain sum becomes Rs.20720 in 4 years and Rs.24080 in 6 years, find the sum and rate of Simple Interest.
Solution
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Ultrasound is used to detect ______ in metal blocks.
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements :
1) All grasses are trees.
2) No tree is shrub.
Conclusions:
I. No grass is shrub.
II. Some shrubs are grasses.
Solution
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Three taps P, Q and R are filled in a water tank to draw out water. Tap P fills 4 buckets in 24 minutes, Q fills 8 buckets in 1 hour and R fills 2 buckets in 20 minutes. All the taps are opened and the tank is emptied in 2 hours. If a bucket holds 10 litres of water, what is the capacity of the tank?
Which is the planet in the solar system which is nearest to the Sun?
Which of these square numbers cannot be expressed as the sum of two prime numbers?
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As the pH value increases from 7 to 14, it represents ...........
Onion and garlic are examples of-
Which classical dance form is indigenous to Kerala?
The general formula of alkynes is-
Lactometers, which are used to determine the purity of sample of milk, works on which principle?
If $$\mid -4x + 4 \mid$$ - 6 = -6, then find the value of 'x'.
Solution
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Choose from the alternatives the figure that best completes the pattern given below.
Solution
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A chord of length 8 cm subtends an angle $$60^\circ$$ at the centre. What is the radius of the circle?
Solution
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Krishnadevaraya was the ruler of _________ empire.
A 270 m long train running at a speed of 120 km/h crosses another train running in opposite direction at the speed of 80 km/h in 9 seconds. What is the length of the other train?
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Choose from the alternatives the figure that best completes the pattern given below.
Solution
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A pendulum of length 'l' swings through an angle of $$45^\circ$$ and describes an arc of length 15.4 cm. Find the value of 'l'.
Solution
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The conversion of liquid state into solid state is known as-
Find the ODD one out from the given options.
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If '$$\times$$' means '$$\div$$', '$$-$$' means '$$\times$$', '$$\div$$' means '$$+$$' and '$$+$$' means '$$-$$', then $$3 - 15 \div 16 \times 8 + 6 = ?$$
Solution
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If 138.019 + 341.981 - 146.395 = 133.605 + a, find the value of 'a'.
Solution
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Find the ODD one out from the given options.
Solution
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Ten years ago, a mother was thrice as old as her son. After 10 years, she will be twice as old as her son. What is the ratio of their present ages?
Solution
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The Indian Constitution has been divided into ___ parts at the time of commencement.
Find the missing frequency'x' in this data, given that the arithmetic mean is 28.
Ramya walked eastwards and turned to her left. She turned right two times. Which direction is she walking now?
Solution
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Ascorbic acid is known as-
With which sport is the term 'deuce' associated?
Find the LCM of 2.05, 1.05 and 2.
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Simplify: $$30 \times 3 \times 0.3 \times 0.03 \times 0.003$$
Solution
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The product of two numbers is 9375. The quotient, when the largest number is divided by the smallest number is 15. Find the sum of these numbers.
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___________ are segmented stem that grows horizontally underground.
Find the wrong number in the following series.
133, 119, 107, 91, 77
Solution
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Read the following information carefully and answer the question given below.
Eight friends— A, B, C, D, E, F, G and H are sitting around a square table in such a way that four of them sit at four corners of the square while four sit in the middle of each of the four sides. The ones who sit at the four corners face the center while those who sit in the middle of the sides face outside.
A, who faces the center, sits third to the right of F. E, who faces the center, is not an immediate neighbour of F. Only one person sits between F and G. D sits second to the right of B. B faces the center. C is not an immediate neighbour of A.
Who among the following sits opposite to A?
Solution
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One Coulomb of electric charge per second is-
All noble gas molecules are-
In a certain code, 'TRIPPLE' is written as 'SQHOOKD'. How is 'DISPOSE' written in that code?
Solution
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The notation (g) is used in the chemical equation to represent the particular element or compound in-
Which of the following group of alphabets will best complete the relationship given below?
BH : JP :: FK : ?
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