ASSIGNMENT-1
1. What is the HCF of 1095 and 1168?
a)37
b)73
c)43
d)83
2. The HCF of 2/3, 8/9, 64/81 and 10/27 is
a)2/3
b)2/81
c)160/3
d)160/81
3. The LCM of 1/3, 5/6, 2/9 and 4/27
a)1/54
b)10/27
c)20/3
d) None of the above
4. Two numbers are in the ratio of 15:11. If the HCF of number is 13, find the numbers
a)75, 55
b)105, 77
c)15, 11
d)195, 143
5. The LCM of two numbers is 7700, and their HCF is 11. If one of these number is 275, what is the other number
a)279
b)283
c)308
d)318
6. If the LCM of two numbers is 70 and their HCF is 2, Find the numbers
a)2, 35
b)6,70
c)4,70
d)14,10
7. What is the greatest 3-digit number when divided by 6, 9 and 12 leaves a remainder of 3 in each case?
a)975
b)996
c)939
d)903
8. There are two numbers HCF of both the numbers is 11, and their LCM is 693. If the first number is 77, then find another number?
a)89
b)56
c)78
d)99
9. Find the smallest-digit will leave same remainder 4 in each case when divided By 12, 15, 20 and 54
a)454
b)540
c)544
d)450
10. What is the number nearest to 10000 which is exactly divisible by 3, 4, 5, 6, 7 and 8.
a)9956
b)10080
c)10096
d)9240