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 greatest number that will divide 420, 525 and 300 without leaving a remainder.
- The least number which when divided by 10,15,25 and 30 leave a same remainder 4 in each case?
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- Find the greatest 4-digit number which is exactly divisible by both 15 and 21.
- The LCM of two natural numbers is 25 times their HCF. If the product of given two numbers is 22,500, then find the LCM of the numbers.
- Three numbers a, b and c are co-prime to each other such that ab = 221 and bc = 247. Find the value of (a + b + c).
- The HCF and LCM of two natural numbers are 14 and 66, respectively. What is the difference between the two numbers, if one of the numbers is 28?
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