(a) 449 times
(b) 450 times
(c) 451 times
(d) 360 times
918. The length of the side of a square is represented by x+2. The length of the side of an equilateral triangle is 2x. If the square and the equilateral triangle have equal perimeter,then the value of x is
919. There are 3 persons Sudhir, Arvind, and Gauri. Sudhir lent cars to Arvind and Gauri as many as they had already. After some time Arvind gave as many cars to Sudhir and Gauri as many as they have. After sometime Gauri did the same thing. At the end of this transaction each one of them had 24. Find the cars each originally had.
(a) Sudhir had 39 cars, Arvind had 12 cars and Gauri had 21 cars
(b) Sudhir had 12 cars, Arvind had 21 cars and Gauri had 39 cars
(c) Sudhir had 21 cars, Arvind had 39 cars and Gauri had 12 cars
(d) Sudhir had 39 cars, Arvind had 21 cars and Gauri had 12 cars
920. A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?
(a) 5 sec
(b) 6 sec
(c) 7 sec
(d) 10 sec
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