RRB JE 25th May 2019 Shift-3

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For the following questions answer them individually
RRB JE 25th May 2019 Shift-3 - Question 3

Ten years ago, the ages of father and son were in the ratio 3 : 1. Ten years hence this ratio will be 2 : 1. What is the age of the father now ?

RRB JE 25th May 2019 Shift-3 - Question 5

When a decomposition reaction is carried out by heating, it is called?

RRB JE 25th May 2019 Shift-3 - Question 7

Sneha wants to go to the market. She starts from her home which is in the north and comes to the crossing.The road to her left ends in a park and straight ahead is the office complex, and market is located direct opposite to the park. In which direction is the market to the crossing?

RRB JE 25th May 2019 Shift-3 - Question 10

Six boys - A, B, C, D, E, F are standing in one row, and six girls—G, H, I, J, K, L are standing in another row in such a way that each girl faces one boy, not necessarily in the same order. G is to the immediate right of the girl who is facing E, the boy at the extreme right. Only B is between D and E. F is to the immediate left of A and to the immediate right of C. I is facing A and is to the immediate left of H. L is third to the left of J.

Which of the following boys is to the immediate left of D?

RRB JE 25th May 2019 Shift-3 - Question 14

A right circular cylinder just encloses a sphere of radius 6 cm. If A and B are their curved surface areas, then:

RRB JE 25th May 2019 Shift-3 - Question 29

Pure ghee costing Rs.100 per kilogram and vegetable oil costing Rs.50 per kilogram are mixed in some ratio and sold at Rs.96 per kilogram so as to gain 20%. In what ratio is ghee and oil mixed?

RRB JE 25th May 2019 Shift-3 - Question 43

What is the minimum temperature to which a fuel must be heated so that it may catch fire and start burning?

RRB JE 25th May 2019 Shift-3 - Question 45

What is the aim of the 'Young Scientist Programme' for students, which was recently launched by ISRO?

RRB JE 25th May 2019 Shift-3 - Question 48

Two stations A and B are 110 km apart on a straight line. One train starts from A at 7 a.m. and travels towards B at 20 km/h. Another train starts from B at 8 a.m. and travels towards A at a speed of 25 km/h. At what time will they meet?

RRB JE 25th May 2019 Shift-3 - Question 53

P takes 10 days and Q takes 24 days to complete a work. With the help of R, they all work together and finish it in 6 days. Find the payment they receive out of a total remuneration of Rs.1000.

RRB JE 25th May 2019 Shift-3 - Question 55

If '$$+$$' means '$$-$$', '$$-$$' means '$$+$$', '$$\div$$' means '$$\times$$' and '$$\times$$' means '$$\div$$', then 

$$18 \times 3 \div 4 - 5 + 3 = ?$$

RRB JE 25th May 2019 Shift-3 - Question 56

In some machines, why is using oil as a lubricant not advisable?

RRB JE 25th May 2019 Shift-3 - Question 57

Vedha walked 15 m from point A in the east direction and turned south and walked 8 m to reach point B. Whatis the distance between point A and point B?

RRB JE 25th May 2019 Shift-3 - Question 62

A certain sum of money invested at Compound Interest, compounded annually, amounts to Rs.338 at the rate of 4% per annum for 2 years. Find the sum.

RRB JE 25th May 2019 Shift-3 - Question 63

Two trains 100 m and 80 m in length are moving in the same direction, with speeds 51 m/s and 42 m/s respectively. In what time will they cross each other?

RRB JE 25th May 2019 Shift-3 - Question 64

If $$3\left(\frac{2}{5}\right) + 1\left(\frac{2}{9}\right) = 4\left(\frac{4}{5}\right) - a$$, find the value of '$$a$$'.

RRB JE 25th May 2019 Shift-3 - Question 65

A sum of Rs.1100 was taken as a loan. This is to be paid in two equal instalments. If the rate of interest is 20% per annum, compounded annually, find the amount payable in each instalment.

RRB JE 25th May 2019 Shift-3 - Question 71

If $$\frac{a}{b}$$ is a fraction, where $$a = b - 3$$ and $$\frac{(a + 10)}{b} - \frac{a}{b} = \frac{10}{7}$$, then find $$\frac{a}{b}$$.

RRB JE 25th May 2019 Shift-3 - Question 73

Read the following information carefully and answer the question given below.
A, B, C, D, E, F, G and H are sitting around a circle facing the center. B is third to the right of F and third to the left of H. C is fourth to the left of A. A is not an immediate neighbor of F and B. E is not an immediate neighbor of B. G is second to the right of D.

RRB JE 25th May 2019 Shift-3 - Question 75

Which of the following former Indian Presidents served for the shortest duration?

RRB JE 25th May 2019 Shift-3 - Question 76

Which are the BRIC countries?

RRB JE 25th May 2019 Shift-3 - Question 77

The process of movement of molecules from a higher concentration place to a lower concentration places is

RRB JE 25th May 2019 Shift-3 - Question 80

The price of a book was first increased by 25% and then reduced by 20%. What is the change in its original price?

RRB JE 25th May 2019 Shift-3 - Question 86

The radius of a sphere is 3 times the radius of a cylinder. If their volumes are equal, find the height of the cylinder.

RRB JE 25th May 2019 Shift-3 - Question 99

A vessel contains 20 litres containing milk and water in the ratio 3 : 2. Ten litres of this milk is removed and replaced with equal amount of pure milk. If this process is repeated once again, find the final ratio of milk and water.

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