MBA Exam

What is the product of first 9 terms of a G.P. having a total of 13 terms given that 5th term is 2?Please explain.

1) 512
2) 32
3) 16
4) Cannot be determined.

Read Solution (Total 1)

512

the terms are
2/r^4, 2/r^3,2/r^2, 2/r, 2, 2r,2r^2,2r^3,2r^4

product will be 2^9=512
11 years agoHelpfull: Yes(0) No(0)

MBA Other Question

In the X-Y plane, the area of the region bounded by the graph of |x + y| + |x âˆ’ y| = 4 is

1) 8
2) 12
3) 16
4) 20
There is a circle of radius 1 cm. Each member of a sequence of regular polygons S1(n), n = 4, 5, 6 ……, where n is the number of sides of the polygon, is circumscribing the circle, and each member of the sequence of regular polygons S2(n), n = 4, 5, 6 ….., where n is the number of sides of the polygon, is inscribed in the circle. Let L1 (n) and L2 (n) denote the perimeters of the corresponding polygons of S1 (n) and S2 (n), then, find the range of {L1 (13) +2π} / L2 (17)?

1) Greater than π / 4 and less than 1
2) Greater than 1 and less than 2
3) Greater than 2
4) Less than π / 4