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1. Find the HCF of 42 and 70. |
A. 10 |
B. 14 |
C. 18 |
D. 22 |
2. Find the LCM of 18, 24, 60 and 150. |
A. 100 |
B. 500 |
C. 1800 |
D. 2000 |
3. Find the HCF of 54/9, 60/17 and 36/51 |
A. 3/20 |
B. 5/22 |
C. 4/3 |
D. 6/17 |
4. The LCM of two numbers is 112 and of HCF is 4. If one number is 28 find out the next number. |
A. 10 |
B. 16 |
C. 18 |
D. 20 |
5. What is the greatest number which leaves the same number as remainder when it divides 52, 86 and 120. |
A. 24 |
B. 42 |
C. 34 |
D. None of these. |