Question
20 men can do a piece of work in 14 days working 9 hours
a day. How many men can do double the work in 16 days working 7 hours a day?Solution
According to the question: Let the required number of men be ‘x’. 
The LCM of two numbers is 432 and their HCF is 55. If one of the numbers is 132, the other number is:
The LCM and the HCF of the numbers 42 and 60 are in the ratio:
Find the HCF of two numbers if LCM and product of those two numbers are 30 and 960 respectively.
Find the LCM of the numbers 1.2, 0.8, 2.4, and 3.6.
- The least common multiple (LCM) of two numbers is 144, and the numbers are in the ratio 4:6. Find their sum.
Three boys runs around a circular track and takes 20 min, 25 min and 30 min respectively to complete the one round. When do they all come relatively to ...
The product of the two prime numbers is 187. What will the L.C.M of these two numbers?
Find the largest number of the five digit which is exactly divisible by 48, 72 and 108.
...LCM of two numbers is 56 times their HCF, with the sum of their HCF and LCM being 1710. If one of the two numbers is 240, then what is the other number?
Find the HCF of 244 and 118.
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