| Q1. |
The H.C.F of two numbers is 19 and their L.C.M is 228.If one of the number is 57, then find the other.
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| Q2. |
There are two persons A and B running in a circle, A completes one revolution in 4 minutes and B completes one revolution in 7 minutes. If they start their running together from the beginning then after how much time A and B will meet at starting point.
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| Q3. |
Derrick wished to buy some cookies. If he gave 4 cookies or 3cookies or 5 cookies to each of his friends he is left with no cookies. What is the least number of cookies that he has to purchase?
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| Q4. |
A watch shop has different types of watches in its showroom. Some costs $15each, some are $20each, and $25each.Find the least sum of money with which we can buy an exact number of watches of each kind.
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| Q5. |
Find the smallest number which when diminished by 7 is exactly divisible by 21, 28, 36 and 45.
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| Q6. |
The product of two numbers is 1734 and their H.C.F is 17.Find their L.C.M
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