The H.C.F. of 9⁄10, 12⁄25, 18⁄35 and 21⁄40 is:

More Questions from Problems on H.C.F and L.C.M

• Find the greatest number that will divide 43, 91 and 183 so as to leave the same remainder in each case.
• 252 can be expressed as a product of primes as:
• The G.C.D. of 1.08, 0.36 and 0.9 is:
• The greatest number of four digits which is divisible by 15, 25, 40 and 75 is:
• The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:
• The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
• Find the highest common factor of 36 and 84.
• The least number which should be added to 2497 so that the sum is exactly divisible by 5, 6, 4 and 3 is:
• The ratio of two numbers is 3 : 4 and their H.C.F. is 4. Their L.C.M. is:
• Find the lowest common multiple of 24, 36 and 40.

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