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China has largest forex reserve of $ 3 trillion (approx). It is followed by Japan and Switzerland. India has a forex reserve of $ 410 bn and comes at sixth/seventh (keeps changing)
If 14 men working 9 hours a day can make 24 quilts in 16 days, then in how many days 20 men working 12 hours per day will make 20 quilts?
B is thrice as efficient as A and C is 0.50 times as efficient as A. What is the ratio of number of days taken by A, B, and C when they work individually?
(x + 3) workers complete 50% of work in 4 days at 5 hours/day. (x + 1) workers finish the rest in 5 days at 6 hours/day. Find x.