Question
 A train 200m long crosses a 300m platform in 25 sec.
Find time taken to cross a man running at 18 km/hr in opposite direction.Solution
Train Speed = (200+300)/25 = 20 m/s. Man Speed = 18 km/hr = 5 m/s. Relative Speed = 20 + 5 = 25 m/s. Time = 200 / 25 = 8 sec.
Study the given pattern carefully and select the letter from among the given options that can replace the question mark
In the following question, four letter pairs are given. The letters on left side of (–) is related to the letters on the right side of (–) with som...
Select the figure from the options that can replace the question mark (?) and complete the given pattern.
For an integer n, n!=n.(n-1).(n-2). ... 3.2 .1. Then 1! +2!+3!+...+ 100! when divided by 5 leaves remainder _________.
What will come in the place of the question mark (?) in the following equation if ‘+’ and ‘-’ are interchanged and ‘x’ and ‘÷’ are inte...
Which figure should replace the question mark (?) if the following figure series were to be continued?
Select the number from among the given options that can replace the question mark (?) in the following series.
3, 16, 51, 104, ?
Select the option that represents the letters that, when sequentially placed from left to right in the blanks below, will complete the letter series.
Seven boxes numbered 1 to 7 are placed one above the other but not necessarily in the same order. Box-7 is placed immediately below box 5. Box-1 is the ...
Relevant for Exams:
