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If ‘a’ is a natural number, then (7a^2 +...

If ‘a’ is a natural number, then `(7a^2 + 7a)` is always divisible by:
अगर ‘a’ एक प्राकृतिक संख्या है ,तो `(7a^2 + 7a)` हमेसा विभाजित होगी:

A

7 and 14 both

B

7 only

C

14 only

D

21 only

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If ‘a’ is a natural number, then (7a^2+7a) is always divisible by: अगर एक प्राकृतिक संख्या है ,तो (7a^2+7a) हमेशा विभाजित होगी :

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  3. If ‘a’ is a natural number, then (7a^2 + 7a) is always divisible by: ...

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  4. (ax + by) is a factor of: (ax + by) किसका एक गुणनखण्ड है:

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  5. 2x-3y is a factor of:

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  14. When a number is divided by 14, the remainder is 9. If the square of t...

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  15. 2^18-1 is divisible by: 2^18-1 किसके द्वारा विभाज्य है

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  16. If a number is divided by 899, the remainder is 63. If the same number...

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  17. If the number 62783xy is divisible by both 8 and 5, then the smallest ...

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  18. If x^3+2x^2-ax-b is exactly divisible by (x^2 -1), then the values of ...

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  19. The divisor is 24 times the quotient and 8 times the remainder. If the...

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  20. Which of the following numbers will completely divide 7^81 + 7^82 + 7^...

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