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Mini Mock || 2020

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Question 1

There is 60% increase in an amount in 12 years at simple interest. What will be the compound interest of Rs.45,000 after 2 years at the same rate?

Question 2

1/4th of sum stock is sold at 22% profit, 1/3rd is sold at 25% profit and the rest is sold at 40% profit. Thus, the shopkeeper manager to earn Rs. 18300 as profit. What is the total cost of the stock?

Question 3

X can do a certain work in the same time in which Y and Z together can do it. X and Y together can do it in 15 days and Z alone can do it in 60 days, then Y alone could do it in :

Question 4

A and B can do a piece of work in 18 days and 12 days respectively. A started the work alone and then after 3 days B joined him till completion of the work. How long did the work last?

Question 5

Two persons A and B starts simultaneously from two places c km apart, and walk in the same direction. If A travels at the rate of p km/hr and B travels at the rate of q km/hr, then A has travelled, before he overtakes B, a distance of

Question 6

The angles of elevation of the top of a tower from two points P and Q at distance m2 and n2 respectively, from the base and in the same straight line with it are complementary. The height of the tower is

Question 7

The angle of elevation of a cloud from a point 200 m above a lake is 30° and the angle of depression of its reflection in the lake is 60°. The height of the cloud is

Question 8

From the top of a tower, the angles of depression of two objects P and Q (situated on the ground on the same side of the tower) separated at a distance of  are 45° and 60° respectively. The height of the tower is

Question 9

If f(x)=1/x, g(x)=1/(1-x) and h(x)=x2, then find f(g(h(2))).

Question 10

Determine 11th term of ,3,5,…..

Question 11

Two numbers are in the ratio 6:7. Their L.C.M. is 168. The greatest number is
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Nov 15CDS & Defence Exams