45 men complete work A in 25 days and work B in 24 days. How many days will it take for 15 men to complete both the work A and B together?
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Work A,45 men completed in 25days
. '. 1 men can work in 25×45=1125days
Work B,45 men completed in 24 days
1 man can work in 45×24=1080days
Now,1 men can finish both work in 1080+1125 days =2205days
therefore,15 men can finish it in 2205÷15=147das
. '. 1 men can work in 25×45=1125days
Work B,45 men completed in 24 days
1 man can work in 45×24=1080days
Now,1 men can finish both work in 1080+1125 days =2205days
therefore,15 men can finish it in 2205÷15=147das
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time taken by 45 men to complete
work A = 25 days
the days 1 man can take to complete the
work A = 45 × 25 = 1125 days
time taken by 45 men to complete
work B = 24 days
1 man can complete the work B
in = 45 × 24 = 1080 days
1 man can complete the work A and work B
together in = 1125 + 1080 = 2205 days
15 men will complete the work A
and work B together in
= 2205 ÷ 15 = 147 days
therefore,the required number of days = 147 days
Answer : 147 days
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work A = 25 days
the days 1 man can take to complete the
work A = 45 × 25 = 1125 days
time taken by 45 men to complete
work B = 24 days
1 man can complete the work B
in = 45 × 24 = 1080 days
1 man can complete the work A and work B
together in = 1125 + 1080 = 2205 days
15 men will complete the work A
and work B together in
= 2205 ÷ 15 = 147 days
therefore,the required number of days = 147 days
Answer : 147 days
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