Basic Arithmetic MCQ’S for the Preparation of NTS, PPSC, FPSC, KPSC, BPSC, SPSC and other exams.
Q 1: A does 80% of a work in 20 days. He then calls in B and they together finish the remaining work in 3 days. How long B alone would take to do the whole work _______ ?
(a) 28 days
(b) 35 days
(c) 37(1/2) days
(d) 45 days
Q 2: A can do a certain work in the same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days, then B alone could do it in _____ days ?
(a) 20 days
(b) 22 days
(c) 25 days
(d) 28 days
Q 3: A can do a piece of work in 4 hours; B and C together can do it in 3 hours, while A and C together can do it in 2 hours. How long will B alone take to do it in _______ hours ?
(a) 18 hours
(b) 15 hours
(c) 12 hours
(d) 20 hours
Q 4: If 6 men and 8 boys can do a piece of work in 10 days while 26 men and 48 boys can do the same in 2 days, the time taken by 15 men and 20 boys in doing the same type of work will be in ______ days ?
(a) 4 days
(b) 5 days
(c) 7 days
(d) 8 days
Q 5: A alone can do a piece of work in 6 days and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help of C, they completed the work in 3 days. How much is to be paid to C ______ ?
(a) Rs. 375
(b) Rs. 400
(c) Rs. 500
(d) Rs. 700
Q 6: A is thrice as good as workman as B and therefore is able to finish a job in 60 days less than B. Working together, they can do it in _____ days ?
(a) 20 days
(b) 22(1/2) days
(c) 25 days
(d) 28 days
Q 7: A, B and C can do a piece of work in 20, 30 and 60 days respectively. In how many days can A do the work if he is assisted by B and C on every third day _____ ?
(a) 10 days
(b) 15 days
(c) 14 days
(d) 16 days
Q 8: A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in ______ days ?
(a) 8 days
(b) 9(2/5) days
(c) 9(3/5) days
(d) 10
Q 9: A goods train runs at the speed of 72 kmph and crosses a 250 m long platform in 26 seconds. What is the length of the goods train ______ ?
(a) 250 m
(b) 240 m
(c) 265 m
(d) 270 m
Q 10: Two trains, each 100 m long, moving in opposite directions, cross each other in 8 seconds. If one is moving twice as fast the other, then the speed of the faster train is ______ ?
(a) 50 km/hr
(b) 45 km/hr
(c) 60 km/hr
(d) 70 km/hr
Q 11: Two trains 140 m and 160 m long run at the speed of 60 km/hr and 40 km/hr respectively in opposite directions on parallel tracks. The time (in seconds) which they take to cross each other, is ______ ?
(a) 8
(b) 9
(c) 10
(d) 10.8
Q 12: A 270 metres long train running at the speed of 120 kmph crosses another train running in opposite direction at the speed of 80 kmph in 9 seconds. What is the length of the other train ______ ?
(a) 230 m
(b) 240 m
(c) 260 m
(d) 280 m
Q 13: A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metres long train running at 45 kmph in the same direction. In how much time will the train pass the jogger _____ ?
(a) 13.6 sec
(b) 28 sec
(c) 36 sec
(d) 52 sec
Q 14: A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going _______ ?
(a) 15 sec
(b) 6 sec
(c) 7 sec
(d)10 sec
Q 15: A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then the fraction of the work that is left is ______ ?
(a) 2/4
(b) 3/10
(c) 7/10
(d) 8/15
Q 16: Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is ______ ?
(a) 50 m
(b) 60 m
(c) 70 m
(d) 82 m
Q 17: A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long _____ ?
(a) 40 sec
(b) 42 sec
(c) 45 sec
(d) 50 sec
Q 18: Two trains are moving in opposite directions @ 60 km/hr and 90 km/hr. Their lengths are 1.10 km and 0.9 km respectively. The time taken by the slower train to cross the faster train in seconds is _____ ?
(a) 35
(b) 45
(c) 48
(d) 50
Q 19: A train passes a station platform in 36 seconds and a man standing on the platform in 20 seconds. If the speed of the train is 54 km/hr, what is the length of the platform ______ ?
(a) 220 m
(b) 240 m
(c) 300 m
(d) 290 m
Q 20: A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long ____ ?
(a) 65 sec
(b) 89 sec
(c) 100 sec
(d) 110 sec