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If a number is divided by 21, it leaves ...

If a number is divided by 21, it leaves remainder 13. If the thrice of square of this number is divided by same divisor, then find the remainder.

A

1

B

5

C

4

D

3

Text Solution

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The correct Answer is:
A
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GAGAN PRATAP -NUMBER SYSTEM-Multiple Choice Questions
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  2. If a number is divided by 129 leaves remainder 27 if 4 times of this n...

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  3. If a number is divided by 21, it leaves remainder 13. If the thrice of...

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  4. When a positive integer is divided by d, the remainder is 15. When ten...

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  5. If 7 divided a positive integer n, the remainder is 2. Which of the fo...

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  6. When two numbers are separately divided by 33, the remainders are 21 a...

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  7. Let p be a prime number greater than 3, then what is the remainder whe...

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  8. When positive numbers x, y and z are divided by 31, the reminders are ...

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  9. When positive number a, b and c are divided by 13, the remainder are 9...

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  10. One of the factors of (8^(2k)+5^(2k)), where k is an odd number, is : ...

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  11. What is the remainder when we divide 5^70 +7^70 by 74? जब हम 5^70 +7^7...

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  12. The expression 5^(2n) - 2^(3n) has a factor

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  13. (49)^(15)-1 is exactly divisible by:

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  14. The expression 2^(6n) - 4^(2n), where n is a natural number is alway...

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  15. If a and b are two odd positive integers. By which of the following in...

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  16. The remainder when 3^21 is divided by 5 is

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  17. If 17^(200) is divided by 18, the remainder is

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  18. If (67^67 + 67) is divided by 68, the re- mainder is:

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  19. If x is the remainder when 3^61284 is divided by 5 and y is the remain...

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  20. (10^(1)+10^(2)+10^(3)------+10^(100))/(6) find R.

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