MBA Exam

A, B, C, D, …… J invested money in the ratio 2 : 4 : 6 : …… : 20. The duration for which they invested the money is in the ratio 10 : 9 : 8 :……… : 1. Who obtained the maximum profit at the end of the year?

1) C
2) E
3) F
4) More than one

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MBA Other Question
On the periphery of a square grass field ABCD, two poles are fixed. One is at the mid point of AB and another at mid point of BC. Side of the square ABCD is 16m. a cow is tied to one pole and another is tied to the other pole. if each cow is tied with 8m long rope, then find the area of the field unreachable to the cows. in sq m

1) 256-32(pi)
2) 216-32pi
3) 192-32pi
4) 240-32pi
 how many triangular no's less then 1000 have the property that they are the difference of squares of two consecutive natural no's ?no OA ! plz share approach

1) 20
2) 21
3) 22
4) 23