Question
In a class of 60 students and 15 teachers, each student
got gifts that were 40% of total number of l7students and each teacher got gifts that were 30% of total number of students. How many gifts were there in total?Solution
Gifts received by each student = 40% of total number of students i.e. => 40/100 × 60 = 24 Gifts received by each teacher = 30% of total number of students i.e. => 30/100 × 60 = 18 Total Gifts = 60 × 24 + 18 × 15 = 1710
Ratio of two numbers 7:9 and their LCM is 1890. Find the sum of the given two numbers.
The least number which when divided by 4, 7, 9, 11, and 13 leaves the same remainder 1 in each case, is:
If the product of two numbers is 560 and their HCF is 8, find the LCM of those two numbers.
Two men started moving in a circular path from the same place at the same time in the same direction. If they complete one revolution in 12 min and 16 m...
The HCF of two numbers is 8. Which of the following can never be their LCM?
The greatest number of four digits which when divided by 10, 12, 14 leave remainders 5, 7, 9 respectively is:
If the highest common factor of two numbers is 25, then which of the following may be the least common multiple of the numbers?
- The total and the difference of L.C.M and H.C.F of two numbers are 432 and 96. If one of the numbers is 24, what is the other number?
Two numbers have HCF 4 and LCM 48. If one of the numbers is 12, find the other number.
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