`(115)^96-(96)^115` is divisible by (A) 17 (B) 19 (C) 21 (D) 23

For all n inN,3*5^(2n+1)+2^(3n+1) is divisible by (A) 19 (B) 17 (C) 23 (D) 25

19^(5)+21^(5) is divisible by

What is the remainder when 4^(96) is divided by 6? (a) 4 (b) 3 (c) 2 (d) 1

The remainder when (15^(23)+23^(23)) is divided by 19, is 0 (b) 4 (c) 15 (d) 18 is divided

What is greatest number that will divide 307 and 330 leaving remainders 3 and 7 respectively? (A) 19 (B) 16 (C) 17 (D) 23.

21 : 3 : :· 574:? (A) 23 (B) 82 (C) 97 (D) 113

For all nN,3xx5^(2n+1)+2^(3n+1) is divisible by 19 b.17 c.23d.25

Which term of the A.P.: 5,11,17,... is 119? (A) 18 (B) 19 (C) 20 (D) 21

Which term of the progression 19, 18(1)/5, 17(2)/5, ....is the first negative term? (A) 20 (B) 25 (C) 23 (D) 24

What least number must be added to 1056 to get a number exactly divisible by 23? 2 (b) 3 (c) 21 (d) 25