IBPS Government Jobs Exams Numerical Ability Time and Work

A work is started by a man and it is assumed that he will finish the work in 11 days if working alone. Each subsequent day a new man joined the work. In how many days the four times the original work will be completed, if after the 8th day from the starting of the work no new man will be further added?
A) 11 B) 10 C) 9 D) 8

Read Solution (Total 0)

IBPS Other Question

Ashok purchased 100 books of quantitative aptitude for his book store. He sold 20% of total books at a profit of 10%, 37.5% of remaining at a profit of 15%, 80% of the remaining at a profit of 8% and remaining at a profit of 20%. If he sold all the books at a profit of 16% he would have gained Rs. 1505 more, then find the cost price of each book.
A) Rs. 250 B) Rs. 375 C) Rs. 350 D) Rs. 450 A train can cross a platform of equal length in 5 minutes. It can cross a man running in the direction of the train with the speed of 2 m/s in 7 minutes. Find the speed of the train(in km/h).
A) 10.8 B) 25 C) 7 D) 11.2