SSC GD 22nd Nov 2021 Shift-1

Instructions

For the following questions answer them individually

Question 51

If the radius of the base of a cylinder is increased by 20% and its height is decreased by $$33\frac{3}{4}\%$$ , then what will be the
change in percentage in its volume?

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Question 52

A train travelling at a speed of 45 km/h crosses a house in 12 sec. What is the length of the train?

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Question 53

The compound interest (in ₹, nearest to a rupee) on a sum of ₹7,500 at 24% p.a. for 3 months, interest compounded monthly, is:

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Question 54

If (a + b - c) : (b + c - a) : (a+ c - b) = 4 : 5 : 9 , then a - b : c - b : c - a =

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Question 55

A mixture contains alcohol and water in the ratio of 3 : 4. On adding 8 litres of water, the ratio of alcohol to water becomes 5 : 8. The original quantity of the mixture (in litres) is:

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Question 56

X takes twice as much time as Y and thrice as much times as Z to finish a job. Working all together, they can finish it in 2 days. Y alone can finish the job in:

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Question 57

An iron is bought for ₹210. Decide its MRP so that after a discount of 5%, you still gain 90%.

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Question 58

The average of the marks scored by Amit in 5 subjects is 72. If the average of the marks scored in 3 of these subjects is 70, then what is the average of the marks in the remaining subjects?

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Question 59

Four numbers are in the ratio 2 : 3 : 5 : 7 aud their HCF is 6. What is the sum of the squares of the largest and the smallest numbers?

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Question 60

If P is 220% of Q, then what percentage of P + Q will Q be?

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