252 can be expressed as a product of primes as:
252 can be expressed as a product of primes as:
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is:
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 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 greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is:
Which of the following has the most number of divisors?
Which of the following has the most number of divisors?
Find the highest common factor of 36 and 84.
Find the highest common factor of 36 and 84.
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is:
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is:
Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:
Three numbers which are co-prime to each other are such that the product of the first two is 551 and that of the last two is 1073. The sum of the three numbers is:
The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is:
The H.C.F. of two numbers is 11 and their L.C.M. is 7700. If one of the numbers is 275, then the other is: