Table of Contents
Q1. Veer can do a work in 5 days and Ayush can do the same work in 3 days. If ratio of efficiency of Veer to Ayush to complete the work is (x – 4) : (x + 4), then find the value of x.
(a) 8
(b) 16
(c) 18
(d) 24
(e) 12
Q2. 21 women can complete a piece of work in 20 days by working 10 hours a day. In how many days 21 men will complete the work by working 8 hrs a day if 3 men work as much as 5 women?
(a) 18 days
(b) 15 days
(c) 16 days
(d) 12 days
(e) 10 days
Q4. Arjun can complete a work alone in 12 days and with the help Tanya in 8 days. Find the number of days Tanya need to complete 75% of the work.
(a) 10 days
(b) 12 days
(c) 18 days
(d) 24 days
(e) 36 days
Q7. 3 women or 5 men can earn Rs. 480 in a day. Find how much Rs. 7 men and 9 women will earn in 2 days?
(a) Rs. 6,286
(b) Rs. 4,224
(c) Rs. 4,228
(d) Rs. 3,224
(e) Rs. 2,442
Q8. 12 men can do a piece of work in 6 days working 4 hours each day. Then in how many days 6 women can complete the same work working 8 hours a day if efficiency of 4 women can do the same work as single men ?
(a) 16 days
(b) None of these
(c) 18 days
(d) 12 days
(e) 24 days
Q12. A special pump is used for both filling and emptying a tank. Rate of emptying capacity of pump is 10 m³ per min higher than its filling capacity and the pump takes 8 minutes less to empty the tank than to fill it. If capacity of tank is 2400 m³ then, find filling capacity of pump?
(a) 50 m³ per min
(b) 60 m³ per min
(c) 25 m³ per min
(d) 40 m³ per min
(e) 15 m³ per min
Q13. Two pipes A and B together can fill a cistern in 18 hours. Ratio of efficiency of pipe A and pipe B is 2 : 3. Find in what time cistern can be fully filled if pipes A and B are opened alternatively in a way that A alone is opened for first three hours and then B alone is opened for next 1 hour till the whole cistern get filled ?
(a) 25 hours
(b) 30 hours
(c) 35 hours
(d) 40 hours
(e) 50 hours
Q15. A, B and C together can do a piece of work in 40 days. After working together for 16 days, A leaves and then remaining work was completed by B and C in 40 days. Find in how many days A alone can do the work?
(a) 100 days
(b) 50 days
(c) 80 days
(d) 120 days
(e) 75 days
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