RRB NTPC SAMPLE PAPER - ARITHMETIC - 96

1. Suman can do a work in 3 days. Sumati can do the same work in 2 days. Both of them finish the work together and get Rs. 150. What is the share of Suman ?

(a) Rs. 30
(b) Rs. 60
(c) Rs. 70
(d) Rs. 75

2. Three taps A, B and C can fill a tank in 12, 15 and 20 hours respectively. If A, is open all the time and B and C are open for one hour each alternatively, the tank will be full in

(a) 6 hours
(b) 20/3 hours
(c) 7 hours
(d) 15/2 hours

3. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?

(a) 4
(b) 5
(c) 6
(d) 8

4. A can do a piece of work in 12 days and B can do it in 18 days. They work together for 2 days and then A leaves. How long will B take to fin­ish the remaining work?

(a) 6 days
(b) 8 days
(c) 10 days
(d) 13 days

5. A train is travelling at the rate of 45krn/hr. How many seconds, it will take to cover a distance of 4/5km ?

(a) 36
(b) 64
(c) 90
(d) 120

Railway Recruitment Board (RRB) NTPC Exams Study Kit

Answer:

1. (b) 2. (c) 3. (b) 4. (d) 5. (b)