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
- LCM of two numbers is 8 times their HCF. The product of the numbers is 10240. What will be the maximum possible difference between the numbers?
- The greatest number, which when subtracted from 866, gives a number exactly divisible by each of 10, 15, 18 and 20, is:
- The HCF of two numbers is 6 and their LCM is 72. If one number is 18, find the other number.
- 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 the two numbers are 225 and 306 respectively. When the first number is divided by 3, the quotient is 15. The other number is.
- What is the least number that should be subtracted from 1432 so that it becomes a multiple of 28?
- The smallest number which when divided by 25 and 30 leaves remainder 10 and 15 respectively is:
- Let x be the smallest number which when subtracted from 31560 makes the resulting number divisible by 13, 16, 25 and 30. The product of the digits of x is ...
- HCF of two numbers is 12 and their LCM is 924. If one number is 132, find the other.
- Three numbers a, b and c are co-prime to each other such that ab = 70 and bc = 45. Find the value of (a + b + c).
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