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
- The smallest number which when divided by 29 and 33 leaves remainder 11 and 15 respectively is:
- The HCF of two numbers is 18 and their LCM is 540. If one of the numbers is 90, find the other number.
- A number is three times another number and their HCF is 8. What is the sum of the squares of the numbers?
- The H.C.F. of two numbers is 22 and the other two factors of their L.C.M. are 9 and 11. The larger of the two numbers is:
- Three numbers are in the ratio 7:2:3 respectively. If the HCF of the numbers is 6, then find the LCM of the numbers.
- Two numbers are in the ratio of 4:5, respectively. If their HCF is 18, then find their LCM.
- Find the greatest 4-digit number which is exactly divisible by both 15 and 21.
- Three numbers are in the ratio 3:7:2 respectively. If the HCF of the numbers is 5, then find the LCM of the numbers.
- Calculate the Least Common Multiple (L.C.M) of 144 and 180.
- What is the Highest Common Factor of 36, 108 and 180?
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