If 1*548 is divisible by 3, then * can take the value 0         (b)  2         (c)  7        (d)  8

If 1 * 548 is divisible by 3, which of the following digits can replace? 0 (b) 2 (c) 7 (d) 9

3^(2n )+7 is divisible by (A) 8 (B) 4 (C) 16

C takes the value 0quad (c) 2quad (d) 2 or 3 (d) 5

If the square of an odd natural number is divisible by 8, then the remainder will be 1 (b) 2 (c) 3 (d) 4

If a number 774958A96B is divisible by 8 and 9, the respective values of A and B will be 5 and 8 (b) 7 and 8 (c) 8 and 0 (d) None of these

If R019 is divisible by 11, find the value of the smallest natural number R ? A. 5 B. 6 C. 7 D. 8

If x^(3) + 2x^(2) + ax + b is exactly divisible by x^(2) - 1 , then the value of a and b are respectively (a)1 and 2 (b)1 and 0 (c) -1 and -2 (d)0 and 1

Among the 8! [permutations of the digits 1, 2, 3..., 8, consider those arrangements which have the following property. If we take any five consecutive positions the product of the digits in these positions is divisible by 5. The number of such arrangements is equal to a. 7! b. 2.(7!) c. ^7C_4 d. none of these

The difference of the squares of two consecutive odd integers is divisible by 3 (b) 6 (c) 7 (d) 8

If a=7, b=5, c=3, then the value of a^2+b^2+c^2-a b-b c-c a i s -12 (b) 0 (c) 8 (d) 12