Circumference if the ground = 2πr = 2 × 22/7 × 420 = 2640 m So, distance = 2640 m Time taken by bus A to cover 3 rounds of a ground = (2640/12) × 3 = 660 Time taken by bus B to cover 3 rounds of a ground = (2640/15) × 3 = 528 Required difference = 660 – 528 = 132
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P and Q can complete a work in 28 days and 42 days, respectively. P, Q and R together can complete the work in 14 days. If R get a total wage of Rs. 546...
Anupam can do a piece of work in 36 days and Rajveer can do it in 15 days. Diksha can do the same work in (17/18) times the number of days required by b...
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A istwice as efficient as B and can finish a piece of work in 22 days less than B. B can finish this work in how many days?
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‘A’ can do a piece of work in 12 days. ‘B’ can do 70% of the same work in 30 days. If they work together for the entire time and...
Two efficient workers or three non-efficient workers can complete a certain task in 20 days. If each efficient worker improves their efficiency by 33(1/...
A buffalo alone can plough field ‘A’ in 20 days. A Bull alone can plough the field ‘A’ in 32 days. Find the number of days taken by 2 bulls and ...