Question
Arjun's income is such that 60% of it equals 50% of
Bhanu's income. If Arjun and Bhanu spend 75% and 80% of their respective incomes, determine the ratio of Arjun's savings to that of Bhanu.Solution
ATQ, Let, income of ‘Arjun’ and ‘Bhanu’ be Rs. 'a' and Rs. 'b' respectively. So, 0.6a = 0.5b Or, a/b = 5/6 Let, a = 5k, b = 6k Savings of ‘Arjun’ = (1 – 0.75) × 5k = Rs. (5k/4) Savings of ‘Bhanu’ = (1 – 0.8) × 6k = Rs. (6k/5) Required ratio = (5k/4):(6k/5) = 25:24
20 men can do a piece of work in 14 days working 9 hours a day. How many men can do double the work in 16 days working 7 hours a day?
15 men working 9 hours daily can finish a task in 36 days, while 18 women working 6 hours a day complete the same task in 72 days. How many days will 6 ...
G' can complete (3/4) of a job in 24 days, while 'G' and 'H' together can complete the same job in 16 days. Find the time taken by 'H' to complete 25%...
A certain number of students can complete the assignment together in 12 days. All of them started the assignment together, but 20 students left the assi...
A man travelled a total distance of 200 km. He travelled first 150 km on car with a speed of 30 km/h and rest of the distance on bike whose speed is 20 ...
P and Q can complete a work in 20 days and 30 days, respectively. P, Q and R together can complete the work in 10 days. If R get a total wage of Rs. 480...
A and B together can complete a task in 12 days, while B and C together can complete the same task in 15 days. A and C together take 20 days to finish i...
A, B, and C are hired to complete a task. A and B together can finish the work in 12 days, B and C together in 15 days, and A and C together in 20 days....
‘A’ can do a piece of work in 10 days. ‘B’ can do 80% of the same work in 12 days. If they work together for the entire time and get paid Rs.120...
‘P’, ‘Q’, and ‘R’ can complete a task in 10 days, 15 days, and 20 days, respectively. ‘P’ starts the task alone a...
