Qu. 1. Using divisibility tests, determine which of the following numbers are divisible by 4; by8;
(a) 572
(b) 726352
(c) 5500
(d) 6000
(e) 12159
(f) 14560
(g) 21084
(h) 31795072
(i) 1700
(j) 2150
Qu. 2. Using divisibility tests, determine which of following numbers are divisible by 6:
(a) 297144
(b) 1258
(c) 4335
(d) 61233
(e) 901352
(f) 438750
(g) 1790184
(h) 12583
(i) 639210
(j) 17852
Qu. 3. Using divisibility tests, determine which of the following numbers are divisible by 11:
(a) 5445
(b) 10824
(c) 7138965
(d) 70169308
(e) 10000001
(f) 9011535
Qu. 4. Write the smallest digit and the greatest digit in the blank space of each of the following numbers so that the number formed is divisible by 3 :
(a) __ 6724
(b) 4765 __ 257
Qu. 5. Find Remainder when 734175381 is divided by 1793
Answers:
1 : Divisible by 4 : a, b, c, d, f, g, h, I Divisible by 8 : b, d, f, h
2. Divisible by 6 : a, f, g, I
3. Divisible by 11 : a, b, c, d, e
4. a : Smallest 2 – Greatest 8 b : Smallest 0 – Greatest 9
5. Remainder 1050