Number System MCQ Set 6

NUMBER SYSTEM MCQ SET 6

1. Which number among 24963 , 24973 , 24983 and 24993 is divisible by 7?

(a) 24973

(b) 24983

(c) 24963

(d) 24993

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Answer: B

2. Which of the following numbers is divisible by 11?

(a) 5214341

(b) 5648741

(c) 6598321

(d) 2378965

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Answer: A

3. Which of the following is NOT divisible by 11?

(a) 1735624

(b) 752563

(c) 1661308

(d) 1904529

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Answer: B

4. Find the smallest value of a so that 42a48b (a > b) is divisible by 11.

(a) 4

(b) 5

(c) 0

(d) 9

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Answer: B

5. Find the greatest value of b so that 30a68b (a > b) is divisible by 11 .

(a) 4

(b) 9

(c) 3

(d) 6

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Answer: C

6. If a 4 – digit number 273x is divisible by 12 and a 7 – digit number y854x06 is divisible by 11 , then what is the value of (x + y + z) ?

(a) 18

(b) 12

(c) 6

(d) 20

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Answer: A

7. Which of the following number is divisible by 15?

(a) 1,65,485

(b) 3,06,045

(c) 2,12,695

(d) 2,95,145

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 Answer: B

8. Find the greatest possible value of (a + b) for which the 8 – digit 143b203a is divisible by 15 .

(a) 15

(b) 17

(c) 16

(d) 14

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Answer: D

9. What are the values of R and M , respectively , if the given number is perfectly divisible by 16 and 11 ?
34R05030M6

(a) 4 and 6

(b) 7 and 5

(c) 5 and 5

(d) 5 and 7

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Answer: C

10. An 11 – digit number 7823326867X is divisible by 18 . What is the value of X?

(a) 6

(b) 4

(c) 8

(d) 2

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Answer: D