61
71
73
81
Find the greatest number which divides 99, 123 and 183 leaving the same remainder in each case.
Find the greatest number which will divide 42, 49 and 56 and leave remainders 6, 7 and 8 respectively.
Find the greatest possible length which can be used to measure 4 m 3 cm, 4 m 34 cm and 4 m 65 cm exactly.
Find the greatest possible length which can be used to measure 4m 3cm, 4m 34cm and 4m 65cm exactly
Find the HCF of (3^125-1) and (3^35-1).
Find the HCF of 3/4,5/6 and 6/7 = ?
Find the HCF of 35/12, 49/30, and 21/40.
Find the HCF of 513, 1134 and 1215.
Find the highest common factor of 36 and 84
Find the largest four-digit number completely divisible by 12, 18, 40 and 45.