Question
Speed of a boat in still water is 12 kmph and speed of
stream is 9 kmph. A man rows to a place at a distance of 63 km and come back to starting point. The total time taken by him is:Solution
Rate upstream = 12 – 9 = 3 kmph Rate downstream = 12 + 9 = 21 kmph Time taken to go upstream = 63/3 = 21 hr Time taken to go downstream = 63/21 = 3 hr Total time = 21 + 3 = 24 hrs
Select the pair in which the numbers are related to each other in the same way as are the numbers in the given pairs. (NOTE: Operations should be perfor...
What should be the next term in the series 2, 3, 6, 6, 10, 9, 14, 12, ___ ?
What will come in the place of '?' in the following equation, if '+' and '-' are interchanged and ' X ' and '÷' are interchanged?
8 - 6 ÷ 12 + ...
In a certain code language ‘TARGET’ is written as ‘QASSEF’ and ‘BANNED’ is written as ‘MAACEM’. How is ‘SHARED’ written in that code...
QPO, NML, KJI,____, EDC
Eight persons P, Q, R, S, T, U, V and W sit in a linear row. All of them face towards north. P sits third from one of the ends. Only two persons sit bet...
A train route starts and goes 21 km North, then the route turns towards West for 7 km, then it turns North for up to 10 km, and then a right turn where ...
Six people are sitting in two parallel rows with 3 people each, in such a way that there is equal distance between adjacent persons. PY, OY and TY are s...
Seven girls Kiran, Lina, Mina, Nina, Oshi, Pinki and Qizma are sitting in a straight line facing the same direction. Four girls are sitting between Qizm...
How many persons sit to the left of T?