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Let the speed of the train be x m/sec and the length of the train be y m, then According to the question x = (240 + y) / 10 ----(1) x = y / 6 ----(2) From equation (1) and equation (2) y / 6 = (240 + y) / 10 2y = 1400 + 6y 10y - 6y = 1440 y = 1440/4 =360m The length of the train is 360 m From equation (2) x = 360/6 x = 60 m/sec x = 60 x 18/5 x = 216 km/hr The speed of a train is 216 km/hr.
Rama remembers that she met her brother on Saturday, which was after the 20th day of a particular month. If the 1st day of that month was Tuesday, then ...
Which number will replace the question mark (?) in the following number series?
5, 7, 9, 11, 18, ?, 34, 35, 59, 67
In a certain code language, 'ADVISORY' is written as 'BFYMRMOU', and 'CHAMPION' is written as 'DJDQOGLJ'. How will 'DESIGNER' be written in that language?
Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with com...
Which of the following terms will replace the question mark (?) in the given series?
BCE, GHJ, LMO, QRT, ?
Select the option that represents the letters which, when sequentially placed from left to right in the blanks below, will complete the letter series.
Aunt Gloria walked out of her house and walked 65 m towards the east. She took a left turn and walked 28 m. Again, she took a left turn and walked 110 m...
If '+' means '×', '×' means '–', '–' means '÷' and '÷' means '+', then what will come in place of the (?) in the following equation?
9 + ...
In this question, two statements I and II have been given. These statements may be independent causes or effects of independent causes or a common caus...
