Find if it is divisible by 8 or not
1 ) 726352
2 ) 14560
3 ) 2150

n^(2)-1 is divisible by 8 , if n is

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

Using divisibility tests, determine which of the following numbers are divisible by 4; by 8:(a) 572 (b) 726352 (c) 5500 (d) 6000 (e) 12159(f) 14560 (g) 21084 (h) 31795072 (i) 1700 (j) 2150

3^(2n)+7 is divisible by 8 for all n varepsilon N

Number of divisors of 2^(5).3^(2).5^(3) which are divisible by 2 but not divisible by 6 and 8, is 8 (2) 12 (3) 20 (4) 72

1y3y6 is divisible by 11. Find the value of y.

Give an example of a number (i) Which is divisible by 2 but not by 4 . (ii) Which is divisible by 4 but not by 8 . (iii) Which is divisible by both 2 but notby 16 . (iv) Which is divisible by both 3 and 6 but not by 18 .

Find the smallest square number that is divisible by each of the numbers 8,15 and 20.