If the sum of two numbers is 55 and the H.C.F. and L.C.M of these numbers are 5 and 120 respectively, then the sum of the reciprocals of the numbers is equal to:
55/601
601/55
11/120
120/11
Additional Questions
|
Three different containers contain 496 litres, 403 litres and 713 litres of mixtures of milk and water respectively. What biggest measure can measure all the different quantities exactly ? |
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 |
|
Four different electronic devices make a beep after every 30 minutes, 1 hour, 3/2 hour and 1 hour 45 minutes respectively. All the devices beeped together at 12 noon. They will again beep together at: |
Answer |
|
The number of prime factors of (3 x 5)12 (2 x 7)10 (10)25 is: |
Answer |
|
What least value must be assigned to * so that the number 63576*2 is divisible by 8? |
Answer |
|
Which of the following numbers is exactly divisible by 24 ? |
Answer |
|
The number nearest to 15207, which is divisible by 467, is: |
Answer |
|
The smallest number, which is a perfect square and contains 7936 as a factor is: |
Answer |
|
In a division problem, the divisor is twenty times the quotient and five times the remainder. If remainder is 16, the number will be: |
Answer |
|
The L.C.M. of two numbers is 4800 and their G.C.M. is 160. If one of the numbers is 480, then the other number is: |
Answer |