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1. The G.C.D. of 1.08, 0.36 and 0.9 is:
0.03 | 0.9 | 0.18 | 0.108 |
2. The product of two numbers is 2028 and their H.C.F. is 13. The number of such pairs is:
1 | 2 | 3 | 4 |
3. The H.C.F. of two numbers is 5 and their L.C.M. is 150. If one of the numbers is 25, then the other is:
30 | 28 | 24 | 20 |
4. What is the greatest possible length which can be used to measure exactly the lengths 8 m, 4 m 20 cm and 12 m 20 cm?
10 cm | 30 cm | 25 cm | 20 cm |
5. The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
504 | 536 | 544 | 548 |
6. The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:
15 cm | 25 cm | 35 cm | 42 cm |
7. What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively?
1133 | 127 | 42 | 1100 |
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