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a man can row 9 1/3 kmph in still water and finds that it takes him thrice as much time to row up than as to row down the same distance in the river. the speed of the current is ?

I lack speed. I am a beginner. but I am willing to accomplish my IIM Dream. Please help me getting started.

What is the sum of digits in multiplication 202*20002*200000002*20000000000000002*200000000000000000000000000000002 (31 zeroes in the last term)

If speed increases by 33.33%, what is the percent reduction in time taken to travel the same distance

which book is best for d i ?
which book is best for d I ?

HOw do I solve para jumbles

how to prepare for maths

how to prepare for maths

how to prepare for English part

Find the area of a trapezium whose parallel sides are of length 58cm and 42cm and whose non parallel sides are equal each being equal to 20 cm.