What happens when calcium is treated with water?
i) It does not react with water.
ii) It reacts violently with water.
iii) It reacts less violently with water.
iv) Bubbles of hydrogen gas formed stick to the surface of calcium.
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What happens when calcium is treated with water?
i) It does not react with water.
ii) It reacts violently with water.
iii) It reacts less violently with water.
iv) Bubbles of hydrogen gas formed stick to the surface of calcium.
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If 54.k3 + 543 + 5.43 = 603.26,find the value of'k’.
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Which set of sign conventions is followed while dealing with reflection of light by spherical mirrors?
Find the least number which when divided by 5, 6, 7, 8, leaves a remainder 3, and is also a multiple of 9.
Which word will best complete the relationship given below?
Kathakali : Kerala :: Kuchipudi : ?
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Which of the following is a substance abundantly available in the sea and administered in a certain deficiency disease?
Complete the series.
3, 5, 13, 49, (…)
Choose the alternatives that best replaces the question mark from the given figure?

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Deepika Kumari is associated with which sport?
If in a certain language 'FASHION' is coded as 'FOIHSAN', how is 'PROBLEM' coded in that language?
Which organism can live without oxygen?
In which medium does sound travel at maximum speed?
What is the power equivalent to 1 kW?
How many medals did India win in the Asian Airgun Championship, 2019?
In this question, two statements are given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statements:
1) Some players are singers.
2) All singers are tall.
Conclusions:
I. Some players are tall.
II. All players are tall.
Which device in vehicles converts poisonous gases due to burning of petrol or diesel into harmless gases?
Which of the following countries launched the first hydrogen powered train in the world in September 2018?
A boatmancoversadistance of 24 km against water current and 36 km along the water current and takes 6 hours eachtime. Find the speed of watercurrent.
Which of the following banks is a nationalised bank?
If $$x^3 + y^3 = 9$$ and $$x + y = 3$$, then find the value of $$x^2 + y^2$$
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If one unit of electricity costs Rs.5 and the total electrical energy consumed in 1 month is 250kWh,what is the cost of electricity in that month?
Find the smallest number that is exactly divisible by each of the numbers 12, 15, 20 and 27.
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Atoms of the same element or of different elements can join together to form a/an
If 'A' is substituted by 1, 'B' by 2 and so on up to 'Z', which is substituted by 26, what will be the sum of the numbers substituted for the word 'PROBLEM'?
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Which of these insects have teeth?
Which Chinese traveller came and stayed in Nalanda both as a student and a teacher?
If 36 men can do somework in 25 days, then in how many days will 15 men doit?
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Two children differ in their age by 2 years. Six years later, the sum of their ages will be 46. How old are they now?
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Which of these is associated with colour vision?
In which of the following states is the Gir National Park located?
Circumference of a circle is 132 cm. What is the perimeter of its sector whose central angle is $$135^\circ$$ ?
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If a right triangle is right angled at A and AC = 6, BC = 10, find the value of $$\tan B \times \tan C$$.
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Complete the series.
14, 6, 4, 4, 8, (…)
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Which of these flowering plants is a creeper?
Choose the Figure that best represents the relationship among the classes given below ?
Officers, Government employees, Men
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HCF of a set of 3 coprime numbers is:
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I walked 9 m from point A, and I turned right to cover 3 m. Again I turned right and walked 9 m to reach point B. What is the distance between points A and B ?
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The correct way of making a solution of acid in water is to ?
Beryllium is very similar to
The Enzyme in gastric juice?
Keeping the potential difference constant, the resistance of a circuit is halved. What happens to the current?
Read the following information carefully and answer the question given below.
Ten friends are sitting in two parallel rows of six seats each. One seat is vacant in each row. A,B, C, D and E are sitting in row-1 facing south. R, S, T, U and V are facing north. Each likes different brand of watches—Titan, Fossil, Citizen, Casio, Fastrack, Swatch, Timex, Tommy Hilfiger, Shinola and Luminox.
U sits third to the right of T and likes Casio. Only two people sit between S and the vacant seat. S does not like Fastrack or Citizen. E is not an immediate neighbourof C. B likes Luminox. The one who likes Citizen faces the one who likes Tommy Hilfiger. The one wholikes Citizen sits opposite to the one whos its on the third right of the person who sits opposite to U. C is not an immediate neighbour of D. V, who likes neither Fastrack nor Swatch, does not face the vacant seat. Neither U nor T sits at any of the extreme ends of the row. D faces T. Vacant seats are not opposite to each other. Two seats are there between C and B, and sits on the third right of the one who likes Timex. The one wholikes Shinola faces the one wholikes Casio. The persons who like Titan and Tommy Hilfiger are adjacent to each other. Vacant seat of row — 1 is not an immediate neighbour of D. S sits at one of the extreme ends of the row. T does not like Titan and Tommy Hilfiger. Vacant seat of row-1 does not face U who does not sit at any of the extreme ends of the row.
Who among the following sit at extreme end of the rows?
The average age of 4 persons is 42 years. If their ages are in the ratio of 1 : 3 : 4 : 6
respectively, find out the difference between the ages of the eldest and the youngest person.
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The Compound Interest on a certain sum for 2 years at 10% is Rs.2100. What will be the Simple Interest for the same period, on the same sum and at the same rate?
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Complete the series.
4, 5, 8, 17, 44, (…)
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Find the value of $$5y \sqrt{y^3 - y^2}$$ when $$y = 5$$
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A train moving with a speed 54 km/h crosses a platform and a man on the platform in 36 seconds and 20 seconds respectively. How long is the platform?
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Find the missing number in the following series.
1, 6, 30, (…), 360, 720
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Suresh took 15 seconds to cross a rectangular field diagonally walking at the rate of 52 m/min, and Rajesh took the same time to cross the same field along its sides walking at the rate of 68m/min. Find the area of the field.
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In this question, a statement is given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement:
The best way to escape from a problem is to solve it.
Conclusions:
I. Your life will be dull if you do not face a problem.
II. To escape from problems, you should always have some solutions with you.
Find the ODD one out from the given options.
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A man invested $$\frac{1}{3}$$ of his capital at 7%, 1/4 at 8% and the rest at 10% thereby getting an annual income of Rs.561. What was his capital?
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In an election, a candidate won by getting 75% of the valid votes. Out of a total number of 560000 votes, 15% were invalid. What is the number of valid votes got by the winning candidate ?
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Which of the following laws says that "Every object in the universe attracts every other object with a force which is proportional to the product of their masses and inversely proportional to the square of distance between them?"
Which of the following Indian Education Technology Start-ups has received the Next Billion Edtech Prize 2019?
If 16 * 24 = 20, 71 * 19 = 45 and 8 * 52 = 30, then what will be 35 * 27?
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Going downstream a boat covers 50 miles at a speed of 60 mph. While returning it takes 1 hour 15 minutes to cover the same distance. What is the average speed for the whole journey?
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Which of the following materials is used for making the heating element of an electrical iron?
Na, Mg, Al, Si, P, S, Cl and Ar belong to the _____ period of the modern periodic table.
Which ofthe following is about 23 feet long in an average adult human being?
Evaluate: $$(\sin 72^\circ + \cos 18^\circ) (\sin 72^\circ - \cos 18^\circ)$$
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Find the ODD one out from the given options?
Whichacid is foundin the sting of an ant?
Read the following information carefully and answer the question given below.
Six boys—U,V, W, X, Y and Z are standing in one row and six girls—l, J, K, L, M and N are standing in another row in such a way that each girl faces one boy, not necessarily in the same order. | is to the immediate right of the girl who is facing Y the boy at the extreme right. Only V is between X and Y. Z is to the immediate left of U and to the immediate right of W. K is facing U and is to the immediate left of J. N is third to the left of L.
Who among the following is facing J?
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If $$2^x = 64 and 4^y = 256$$,then find the value of $$\left(\frac{1}{x}\right) + \left(\frac{1}{y}\right)$$.
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A trader decides to sell his goods at a profit of 20%. But due to more demand, he furtherincreases the price by 10%. What is his net profit percent?
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An article listed at Rs.65 was bought for Rs.56.16 after two successive discounts, of which, the first is 10%. What is the second discount?
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Raj and Maniare facing to each other, where Mani is facing towards west. Which direction is Raj facing?
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Why do we fall down when we step on a banana peel?
When did Neil Armstrong and Edwin Aldrin land on the moon?
What is the colour of vapours formed on sublimation of iodine solid?
Simplify: $$\sin 15^\circ \sin 75^\circ + \cos 75^\circ \cos 15^\circ$$
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The elements belonging to group 17 are called the ?
The FIFA World Cup will take place every _______ years
choose the alternatives the figure that completes the pattern given below?

Who was the first Indian to make a movie?
From where doesthe Prime Minister address the nation on the 15th of August?
A chemical equation is said to be balanced if number of
Find the greatest of these decimal numbers.
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Usually, the twig of which tree is used to clean the teeth
How many squares are there in the given Figure?

If 'LOSE' is coded as 1357 and 'GAIN' is coded as 2468, which of the following stands for 84615?
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Which among the following is an extra-constitutional body?
The ratio of radii of two cylinders is 2 : 3. Their heights are in the ratio 5 : 3. If one cylinder has a volume of 160 cubic units, what is the volume of the other cylinder?
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Rutherford model of an atom does NOT describe the
Who was the first Asian to swim across the English Channel?
Complete the series.
AZD, BYE, CXF, (…)
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Which of the following will best complete the relationship given below?
BPC : CQD :: RIS : ?
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Which of these places in India is famous for its diamond mines?
If 6 March 2005 is a Monday, then what day of the week was 6 March 2004?
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P and Q can do a work in 8 days. Q and R can do the same work in 12 days. P, Q and Rtogether can complete it in 6 days. P and R together can do it in how many days?
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Which of the following is the unit of measurementof the “Ecological Footprint’?
Malaria can be cured by administering
Which of these is used to impart sour taste to food?
Which of the following mobile applications won the Platinum under Best Mobile App category in Digital India Awards 2018?
Find the ODD oneout from the given options.
Instead of dividing a number by 21, a student did the division by 12 and got the answer 35. What is the correct answer?
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One-eighth of a number is what percent of it?
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In a group of students, $$\frac{1}{5}$$ are aged below 8 years. Of the remaining $$\frac{2}{5}$$ are above 8 years. What fraction of the students are exactly 8 years of age?
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Find the missing group of alphabets in the following series.
ZY, XW, UT, (…), LK
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