Question
A 340 m long train crosses a platform twice its length
in 2 min. Find the speed of the train.Solution
Speed of train = (Length of train + Length of Platform)/Required time Length of train = 340 m Crossing time of platform = 2 × 60 = 120 sec Length of platform = 340 × 2 = 680 m Let the speed of train be x. Speed of train = (340 + 680)/120 ⇒  x = 8.5 m/s
If in any code language AJAY is written as 1117, then is same code NAMA would be written as ?
In a certain code language, 'BOXER' is written as '251224229'. How will 'PULLY' be written in that language?
If digit 2 is interchanged with digit 1, then what will be the value of the following equation?
9 + 6 ÷ 4 × 21 – 5=?
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
In a certain code language,
‘A + B’ means ‘A is the mother of B’;
‘A – B’ means ‘A is the wife of B’;
‘A × B�...
If Z # L @ P & K @ J # X, then how is K related to Z?
Six people, Karan, Dilip, Rahul, Prabhat, Alok and Sandeep are sitting in a straight line, facing north. Karan sits 2nd from the left end. Dilip sits 3r...
Five persons, F, J, N, R and V, are sitting around a circular table facing towards the centre (not necessarily in the same order). J is to the immediate...
Six numbers 1, 2, 5, 6, 8 and 9 are written on different faces of a dice. Two positions of this dice are shown in the figure. Which is the number on the...
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
<...
Relevant for Exams:
