Start learning 50% faster. Sign in now
ATQ; Let the total task be = 36 {LCM(18, 12)} Efficiency of ‘Aman’ = (36/12) = 3 units/day Efficiency of ‘Bhanu’ = (36/18) = 2 units/day task done by ‘Aman’ in 4 days = 3 × 4 = 12 units task done by ‘Aman’ and ‘Bhanu’ together in 3 days = 5 × 3 = 15 units Remaining task = 36 – 12 – 15 = 9 units Time taken by ‘Bhanu’ to complete the remaining task = 9/2 = 4.5 days
In a class, the ratio of number of boys to that of girls was 7:6 and total number of boys was 1960. When some more boys joined, the ratio became 8:7. Fi...
Three containers have their volumes in the ratio 3 : 4: 5. They are full of mixtures of milk and water. The mixtures contain milk and water in the ratio...
The ratio of the ages of A and B is 3:5. If the difference between their ages is 10 years, what is the sum of their ages?
The ratio between two numbers is 7:8. If each number is increased by 9, the ratio between then become 10:11, find the difference between numbers.
Hariom has 85 notes of Rs 50 and Rs 100. If the total money he has is Rs 5000, then find the number of Rs 50 notes.
A, B and C has total 60 toffies with them. A has 25 toffies and the number of toffies with C is 5 less than that with B. How many...
Two boxes have chocolates in the ratio 7:5. If the difference in the number of chocolates is 28, find the number of chocolates in the box with larger nu...
A factory manufactures three types of products: X, Y, and Z. The average production rates are 50 units per hour for product X, 80 units per hour for p...