Question
Two trains 160 metres and 140 metres in length are
running towards each other on parallel tracks, one at the rate 52 km/hr and another at 38 km/hr. In how many seconds will they be clear of each other from the moment they meet?Solution
Required time = Sum of the lengths of trains / Relative speed Relative speed = 52 + 38 = 90 kmph = (90 × 5)/18 = 25 m/sec Required time = (160 + 140)/25 = 300/25 = 12 seconds
Four of the following five are related to each other in some way and thus formed a group. Choose the one which does not belong to that group?
Who sits second to the left of grandson of A?
Who sits immediate left of Q?
There are six persons F, G, H, I, J, and K are sitting around a circular table such all are facing outside the centre. K sits second to the right of H. ...
Which of the following combination is true?
What is the position of Sonal with respect to the one who has 13 coins?
What is the position of R with respect to her grandmother?
The number of persons seated to the left of B was twice that of the number of persons seated to the right of _______
If third and fourth letters of all the words are replaced by its succeeding letter, then how many words formed which has at least one vowel?
Who among the following lives on the floor immediately above the floor of G?
