Question
The marks of a student were entered as 88 instead of 68. Due to this, the average marks of the class increased by 0.5. What is the number of students in the class?
More HCF and LCM Questions
- Find the HCF and LCM of 18 and 30.
- The greatest number of four digits which when divided by 10, 12, 14 leave remainders 8, 10, 12 respectively is:
- What is the difference between the LCM and HCF of 38, 52?
- The sum of the HCF and LCM of two numbers is 544, and the LCM is 16 times the HCF. If one number is 34, find the other. (find the approximate value)
- Three numbers are in the ratio 3:5:7 respectively. If the HCF of the numbers is 4, then find the LCM of the numbers.
- The ratio of two numbers is 6:11 and their LCM is 264. The numbers are:
- From a point on circular track 20 km long P, Q and R started running in the same direction at the same time with speed of 4 km per hour, 2 km per hour, 10 ...
- The HCF of two numbers 110 and 1980 is:
- If 20 times a number is subtracted from the square of the number and then 100 is added to the result, then the result is zero. Find the L.C.M of the number...
- The product of two numbers is 4620 and their L.C.M is 210. What is the H.C.F of the two numbers?
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