The greatest possible length which can be used to measure exactly the lengths 7 m, 3 m 85 cm, 12 m 95 cm is:
Required length = H.C.F. of 700 cm, 385 cm and 1295 cm = 35 cm.
|
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 |
|
The greatest number which on dividing 1657 and 2037 leaves remainders 6 and 5 respectively, is: |
Answer |
|
Find the highest common factor of 36 and 84. |
Answer |
|
What is the smallest number which when diminished by 12, is divisible 8, 12, 22 and 24? |
Answer |
|
The H.C.F. of two numbers is 23 and the other two factors of their L.C.M. are 13 and 14. The larger of the two numbers is: |
Answer |
|
504 can be expressed as a product of primes as |
Answer |
|
The L.C.M. of two numbers is 48. The numbers are in the ratio 2 : 3. Then sum of the number is: |
Answer |