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P is prime number greater than 30 , when divided by 30 gives remainder 'X' . How many possible vales of X are possible? .

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- 34Comments
- @AKKIGH true dat! but manually thinking for all possibili.... 24 Aug.
- 8. 24 Aug.

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@dreamer93
12

@AKKIGH if 57 is nt prime den hw r u justifyin fr 8? plz xplain?

@dreamer93
12

@AKKIGH true dat! but manually thinking for all possibilities.. dere is a chnce we r leavin out ny other?

puys and pirls need help on this question.

1^5 + 3^5 + 5^5 + 7^5........99^5 the units digit is ?

Approach please. Thanks

- 22Comments
- @rags-at-work unit digit of 1^5 , 11^5 ,21^5 ....91^5 wil.... 24 Aug.
- @rags-at-work hope you got it.. 24 Aug.

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psycho munna
@psycho.munna
306

@rags-at-work unit digit of 1^5 , 11^5 ,21^5 ....91^5 will be same so 10(1^5)

same is true for 3^5 ,13^5 ...93^5 sum will be 10(3^5)

similarly for 5, 7 and 9

in the end summation will look like 10[1^5 + 3^5 .....9^5]

Guys the registration handbook says signature should be of 1000mm.

Can any anyone shed light on this please.

I don't think we can have a signature that large ?