Question
Train ‘A’ running with a speed of 126 km/h crosses a
pole in 6 seconds. If the time taken by train ‘A’ to cross train ‘B’ running with a speed of 54 km/h and coming from the opposite direction is 11 seconds, then find the length of train B.Solution
Speed of train A = 126 × 5/18 = 35 m/s Length of train A = 35 × 6 = 210 metres Let length of train B = ‘l’ metres Speed of train B = 54 × 5/18 = 15 m/s Relative speed if train A with respect to train B = 15 + 35 = 50 m/s So, I + 210 = 50 × 11 = 550 So, l = 550 metres
How many such numbers are there which is preceded by alphabets and followed by symbols?
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I, V, X, L, C, D, ?
What will come in place of question mark (?) in the following series?
DLNÂ Â Â Â Â Â Â CKOÂ Â Â Â Â Â BJQÂ Â Â Â Â Â Â ? Â Â Â Â Â ZHX
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I _ P _ O V _ D ... In the given arrangement, how many such numbers are there which immediately followed by a letter?
How many vowels are there in all the words if the last alphabet in each alphabet is replaced by the succeeding letter?
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
D E D D E _...
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.