MBA Exam

N=202 x 20002 x 200000002 x 20000000000000002(15 zeros) x 2000000....2(31 zeros). The sum of digits in this multiplication will be ?Plz post the ans.

1) 112
2) 160
3) 144
4) 108

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MBA Other Question
Treat the questions independent of each other.A function is defined for f(x) = 8x – 4 for all integral value of x. Find the value of ‘a’ for which

1) 4 1/2
2) 5 1/2
3) 20 1/2
4) 23 1/2
 A railway track runs parallel to a road until a bend brings the road to a level crossing. A cyclist rides to work along the road every day at a constant speed of 12 miles per hour. He normally meets a train that travels in the same direction at the crossing. One day he was late by 25 minutes and met the train 6 miles before the level crossing. Can you figure out the speed of the train?

1) 72
2) 60
3) 48
4) 36