Question
A student obtained 72 marks in Biology, 84 marks in
Hindi, 91 marks in Mathematics, 80 marks in Science and 73 marks in English (out of 100). Find his average marks.Solution
The correct answer is D
The LCM of two positive integers is 660 and their HCF is 12. If one of the numbers is 132, what is the other number?
A, B and C start running at the same time and at the same point in the same direction in a circular stadium. A completes a round in 720 seconds, B in 10...
The greatest number of four digits which when divided by 6, 8, 10 leave remainders 3, 5, 7 respectively is:
LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.
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LCM of two numbers is 10 times their HCF. The product of the numbers is 18000. What will be the maximum possible difference between the numbers?
Sum of the two numbers is 42. LCM and HCF of that two number is 72 and 6 respectively. Find the sum of reciprocals of the numbers?
The square of sum of two numbers is 4,096 and the sum of squares of the same two numbers is 2,176. If their H.C.F. is 8, then find their L.C.M.
Four runners started running simultaneously from a point on a circular track. They took 400 seconds, 600 seconds, 720 seconds and 900 seconds to comple...
- Calculate the difference between the Least Common Multiple and the Highest Common Factor of 12, 30, and 45.
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