1. Which of the following numbers are coprime numbers?
a) 77 and 110 b) 197 and 199
c) 5 and 9 d) Both B and C
2. 68715 is not divisible by 3. True / False.
a) True b) False
3. Which number is divisible by both 5 and 10?
a) 456789 b) 55785
c) 87564320 d) None of these
4. Which number is exactly divisible by 8?
a) 4576124 b) 456890
c) 8976824 d) 4563455
5. Which number is exactly divisible by 9?
a) 153450103 b) 978653201
c) 824562197 d) 153540108
6. Which number is exactly divisible by 12?
a) 1032649 b) 1032648
c) 2032864 d) None of these
7. Which number is exactly divisible by 44?
a) 252412 b) 254221
c) 524212 d) 225412
8. Which number is exactly divisible by 450?
a) 2378700 b) 2387700
c) 3287700 d) All of the above
9. A number is divisible by 63. It is necessary that the number should be divisible by 7.
a) True b) False
10. 15345 is divisible by _____ and _____?
a) 3 and 5 b) 5 and 9
c) 3 and 9 d) All of the above