Question
In a class, the ratio of number of boys to number of girls is 8:5. If 1 boy joined the class and 2 girls left the class, then the ratio becomes 7:4. Find the actual number of girls in the class.
More HCF and LCM Questions
- The ratio of two number is 13 : 10 and their HCF is 25. then find out their LCM?
- Ratio of two numbers 10:21 and their LCM is 2520. Find the sum of the given two numbers.
- Sum of the two numbers is 32 and their HCF and LCM are 4 and 60, respectively. Find the sum of reciprocal of the given two numbers.
- Find the least common multiple of (16/20), (8/10), and (4/5).
- Find the least number that should be added to 90, so that the remainder when divided by 5, 6 and 9 will leave the same remainder 1.
- Find the greatest number that will completely divide 171,209 & 228 ?
- Ratio of two numbers 4:9 and their LCM is 1620. Find the sum of the given two numbers.
- Two numbers are in the ratio 3:5 and their HCF is 20. Their LCM is
- The least number which when divided by 4, 7, 9, 11, and 13 leaves the same remainder 1 in each case, is:
- The sum of HCF and LCM of two numbers is 765. The LCM is 84 times the HCF. If one of the numbers is 85, what is the other number? (find approximate value)
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