504 can be expressed as a product of primes as
It is clear that 504 = 2 × 2 × 2 × 3 × 3 × 7
|
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: |
Answer |
|
What is the HCF of 1/3,2/3, and 1/4 ? |
Answer |
|
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: |
Answer |
|
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? |
Answer |
|
The least number, which when divided by 12, 15, 20 and 54 leaves in each case a remainder of 8 is: |
Answer |
|
The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is: |
Answer |
|
What is the greatest number which on dividing 1223 and 2351 leaves remainders 90 and 85 respectively? |
Answer |
|
The smallest number which when diminished by 7, is divisible 12, 16, 18, 21 and 28 is: |
Answer |
|
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8 10 and 12 seconds respectively. In 30 minutes, how many times do they toll together ? |
Answer |
|
252 can be expressed as a product of primes as: |
Answer |