1.

10 Men Can Complete A Work In 7 Days. But 10 Women Need 14 Days To Complete The Same Work. How Many Days Will 5 Men And 10 Women Need To Complete The Work ?

Answer»

Work done by 10 MEN in 1 day = 1/7

Work done by 1 MAN in 1 day = (1/7)/10 = 1/70

Work done by 10 women in 1 day = 1/14

Work done by 1 woman in 1 day = 1/140

Work done by 5 men and 10 women in 1 day = 5 × (1/70) + 10 × (1/140)

= 5/70 + 10/140 = 1/7

=> 5 men and 10 women can COMPLETE the work in 7 days

Work done by 10 men in 1 day = 1/7

Work done by 1 man in 1 day = (1/7)/10 = 1/70

Work done by 10 women in 1 day = 1/14

Work done by 1 woman in 1 day = 1/140

Work done by 5 men and 10 women in 1 day = 5 × (1/70) + 10 × (1/140)

= 5/70 + 10/140 = 1/7

=> 5 men and 10 women can complete the work in 7 days



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