UPSC Questions & Answers – Practice for Civil Services

2551. The length of a common external tangent to two circles of an equal radius of 5 units is equal to the diameter of the circle. Which of the following can be the distance between the centres of the circles in units?

(A) 10
(B) 12
(C) 9
(D) 8

2552. A two-digit number is 12 more than five times the sum of its digits. The number formed by reversing the digits is 9 less than the original number. The number is:

(A) 96
(B) 78
(C) 69
(D) 87

2553. The ratio of the speeds of a boat while going upstream and going downstream is 2 : 3 and the sum of these two speeds is 15 km/h. What is the speed of the stream?

(A) 3.5 km/h
(B) 1.5 km/h
(C) 3 km/h
(D) 2.5 km/h

2554. A’s income is equal to 125% of the income of B, while B’s savings are 120% of the savings of A. If the expenditure of B is 75% of the expenditure of A, then how much are B’s savings as a percentage of her expenditure?

(A)
(B)
(C)
(D)

2555. Two numbers are in the ratio 2:3. Their sum is 135. Find the numbers.

(A) 50,85
(B) 60, 75
(C) 54, 81
(D) 45,90

2556. Rohan takes 10 hours to mow a large lawn. He and Mohan together can mow it in 4 hours. How long will Mohan take to mow the lawn if he works alone?

(A)
(B)
(C)
(D)

2557. What will be the amount due on ₹12,000 in 2 years when the rate of simple interest on successive years is 9% and 10%, respectively?

(A) ₹14,250
(B) ₹14,280
(C) ₹14,350
(D) ₹14,150

2558. Pranav gave 30% of the money he had to his wife, and 86% of the remaining to his two children. Half of the amount left was spent on other things, and the remaining amount of ₹98,000 was deposited in the bank. How much money did he have initially?

(A) ₹20,00,000
(B) ₹40,00,000
(C) ₹10,00,000
(D) ₹30,00,000

2559. Identify a single-digit number other than 1, which may exactly divide the number173 + 183− 163 − 153.

(A) 2
(B) 3
(C) 5
(D) 7

2560. Suresh studies the pattern of daily sale of a shop. He finds that on Monday, the sale was decreased by 10% in comparison to the sale on Sunday. On Tuesday, the sale was increased by 10% in comparison to the sale of Monday. If the sale on Tuesday was of ₹1,485, how much was the sale on Sunday?

(A)
(B)
(C)
(D)

Total Quizz:- 10040

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UPSC

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2551. The length of a common external tangent to two circles of an equal radius of 5 units is equal to the diameter of the circle. Which of the following can be the distance between the centres of the circles in units?

2552. A two-digit number is 12 more than five times the sum of its digits. The number formed by reversing the digits is 9 less than the original number. The number is:

2553. The ratio of the speeds of a boat while going upstream and going downstream is 2 : 3 and the sum of these two speeds is 15 km/h. What is the speed of the stream?

2554. A’s income is equal to 125% of the income of B, while B’s savings are 120% of the savings of A. If the expenditure of B is 75% of the expenditure of A, then how much are B’s savings as a percentage of her expenditure?

2555. Two numbers are in the ratio 2:3. Their sum is 135. Find the numbers.

2556. Rohan takes 10 hours to mow a large lawn. He and Mohan together can mow it in 4 hours. How long will Mohan take to mow the lawn if he works alone?

2557. What will be the amount due on ₹12,000 in 2 years when the rate of simple interest on successive years is 9% and 10%, respectively?

2558. Pranav gave 30% of the money he had to his wife, and 86% of the remaining to his two children. Half of the amount left was spent on other things, and the remaining amount of ₹98,000 was deposited in the bank. How much money did he have initially?

2559. Identify a single-digit number other than 1, which may exactly divide the number173 + 183− 163 − 153.

Total Quizz:- 10040

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2551. The length of a common external tangent to two circles of an equal radius of 5 units is equal to the diameter of the circle. Which of the following can be the distance between the centres of the circles in units?

2552. A two-digit number is 12 more than five times the sum of its digits. The number formed by reversing the digits is 9 less than the original number. The number is:

2553. The ratio of the speeds of a boat while going upstream and going downstream is 2 : 3 and the sum of these two speeds is 15 km/h. What is the speed of the stream?

2554. A’s income is equal to 125% of the income of B, while B’s savings are 120% of the savings of A. If the expenditure of B is 75% of the expenditure of A, then how much are B’s savings as a percentage of her expenditure?

2555. Two numbers are in the ratio 2:3. Their sum is 135. Find the numbers.

2556. Rohan takes 10 hours to mow a large lawn. He and Mohan together can mow it in 4 hours. How long will Mohan take to mow the lawn if he works alone?

2557. What will be the amount due on ₹12,000 in 2 years when the rate of simple interest on successive years is 9% and 10%, respectively?

2558. Pranav gave 30% of the money he had to his wife, and 86% of the remaining to his two children. Half of the amount left was spent on other things, and the remaining amount of ₹98,000 was deposited in the bank. How much money did he have initially?

2559. Identify a single-digit number other than 1, which may exactly divide the number173 + 183− 163 − 153.

Total Quizz:- 10040

UPSC

English Topic Wise Quizz

Current Affairs Topic Wise Quizz

Hindi Topic Wise Quizz

Important Links

Subjects

Subjects

Exams