Question
Two trains approach each other at 24 kmph and 31 kmph
from 2 places 220 km apart. After how many hours they will meet?Solution
Distance = 220 km Speed of train 1 = 24 km/hr Speed of train 2 = 31 km/hr Relative speed = 24 + 31 = 55 km/hr Therefore, speed = distance/time ⇒ 55 = 220/Time ⇒ Time = 220/55 = 4 hrs
Select the number from among the given options that can replace the question mark (?) in the following series.
14, 22, 34, ?, 70
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Six people A, B, C, D, E and F are sitting around a circular table facing the centre. C sits second to the left of B. E is an immediate neighbour of B. ...
Which two signs should be interchanged to make the following equation correct?Â
14 × 5 – 56 ÷ 7 + 35 = 43Â
28 is related to 168 following a certain logic. Following the same logic, 39 is related to 234. To which of the following is 43 related following the sa...
Which letter-cluster will replace the question mark (?) to complete the given series?
BELL, CGIH, ?, EKCZ, FMZV
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE : Operations should be performed ...
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'dresses we see' is coded as 'nx ti ve',
'we see their part...
Which figure should replace the question mark (?) if the following series were to be continued?
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