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21 x 9 – 40 = 189 -40 = 149 18 x 7 – 25 = 136 – 25 = 111 15 x 11 – 30 = 165 – 30 = 135
P can do a piece of work in 12 days, Q can complete double the work in 20 days and R can do the work in 15 days. If all of them together earn Rs. 2500, ...
Sarthak can fill a pit of sand in 14 days while Vivaan takes 35 days to fill it. Ali can empty a full sand pit in 12 days. If all start working together...
A can complete a work in 15 days. B takes 5 days less than A to complete the same work. In how many days can both of them together complete 60% of the w...
M and N, working in tandem, can successfully attain the sales target within a span of 15 days. Now, if N's efficiency is _______ percent less than that ...
Thirty men working 8 hours daily complete a task in 16 days. If the work increases to three times the original and needs to be fi...
‘M’ is 60% more efficient than ‘N’. ‘N’ started the work alone and worked for 20 days and after that ‘N’ is replaced by ‘M’. If the ...
The ratio of time taken by P, Q and R to complete work alone is 6:8:3 respectively. If all three together complete the work in 5 days, then find in how ...
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...
A and B individually can complete the work in 20 days and 30 days respectively. If the time taken by C alone to complete the work is 1.25 times the time...
Two candles of same height can burn completely in 8 hours and 12 hours respectively. If both start burning at same time at their respective constant spe...
