Daily Math Practice
🕮Math Question.1
(Railways 2005)
The capacity of two pots is 120 litres and 56 litres respectively. The capacity of a container which can exactly measure the contents of the two pots, is:
(a) 7500 c.c.
(b) 7850 c.c.
(c) 8000 c.c.
(d) 9500 c.c.
Ans:
8000 c.c.
🕮Math Question.2
(Railways 2004)
What is the greatest possible length of a scale that can be used to measure exactly the lengths 3m, 5m 10cm, and 12m 90cm ?
(a) 10 cm
(b) 20 cm
(c) 25 cm
(d) 30 cm
Ans:
30 cm
🕮Math Question.3
(S.S.C. 2007)
Three sets of English, Mathematics and Science books containing 336, 240 and 96 books respectively have to be stacked in such a way that all the books are stored subject-wise and height of each stack is the same. Total number of stacks will be ?
(a) 14
(b) 21
(c) 22
(d) 48
Ans:
14
🕮Math Question.4
(M.B.A. 2005)
An electronic device makes a beep after every 60 sec. Another device makes a beep after 62 sec. They beeped together at 10 a.m. The next time when they would beep together at the earliest is
(a) 10 : 30 a.m.
(b) 10 : 31 a.m.
(c) 10 : 59 a.m.
(d) 11 a.m.
Ans:
10 : 31 a.m.
🕮Math Question.5
(M.B.A. 2005)
Traffic lights at three different road crossing change after every 48 seconds, 72 seconds and 108 seconds respectively. If they all change simultaneously at 8 : 20 hours, then at what time will they again change simultaneously ?
(a) 8 : 27 : 12 hrs
(b) 8 : 27 : 24 hrs
(c) 8 : 27 : 36 hrs
(d) 8 : 27 : 48 hrs
Ans:
8 : 27 : 12 hrs
🕮Math Question.6
(M.B.A. 2006)
Six bells commence tolling together and toll at intervals of 2, 4, 6, 8, 10, 12 seconds respectively. In 30 minute, how many times do they toll together ?
(a) 4
(b) 10
(c) 15
(d) 16
Ans:
16
🕮Math Question.7
(S.S.C. 2003)
A, B and C start at the same time in the same direction to run around a circular stadium. A completes a round in 252 seconds, B in 308 seconds and C in 198 seconds, all starting at the same point. After what time will they meet again at the starting point ?
(a) 26 min 18 sec
(b) 42 min 36 sec
(c) 46 min 12 sec
(d) 45 min
Ans:
46 min 12 sec
🕮Math Question.8
(S.S.C. 2007)
The largest number which divides 25, 73 and 97 to leave the same remainder in each case is :
(a) 24
(b) 23
(c) 21
(d) 6
Ans:
24
🕮Math Question.9
The least square number which is divisible by 6, 8 and 15 is :
(a) 2500
(b) 3600
(c) 4500
(d) 4900
Ans:
3600
🕮Math Question.10
The smallest number which when diminished by 3 is divisible by 21, 28, 36 and 45 is :
(a) 420
(b) 1257
(c) 1260
(d) 1263
Ans:
1263
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