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Let the total work be 'w' units and efficiency of each man be 'e' units/day Let number of men required to finish the work in 8 days be 'm'. ATQ; W/(40 x 15 x e) = W/(8 x e x m) m = 75 So, 75 - 40 = 35 more men should be hired.
If '+' means '-', '-' means '+', '×' means '÷', and '÷' means '×', then the value of 42 – 12 × 3 + 8 ÷ 2 + ...
69,012 ___ 20,167 ___ 51,246 ___ 6 ___ 50,000 = 7,386
A trader purchased 132 dozens of mangoes at Rs.475 per dozen and could sell only 125 dozens at Rs.530 per dozen. What is the value of stock of mangoes i...
`2/5` ___ 15 ___ 115___ 20 ___ 4 = 581
Due to 25% fall in the rate of eggs, one can buy 2 dozen eggs more than before by investing Rs.162. Then the original rate per dozen of the eggs is
160 cycles were sold for Rs.524,000 resulting in a loss of 10%. What was the cost price of a cycle (in Rs.)? (rounded off to the nearest rupee)
If a dozen apples weigh 1.8 kg in total, how many apples will be there in 3 boxes weighing 23.250 kg each?
Solve : (3.2 × 104) ÷ (2 × 105)
Two men and 7 women can complete a work in 28 days whereas 6 men and 16 women can do the same work in 11 days. In how many days can 7 men complete the s...
In an election two candidates participates. 20% voters did not vote. 25 % votes declared invalid and the winner get 80 % of the valid votes. If he win b...