MBA Exam

ABCDEFGHI is a regular polygon of nine sides . if ID=10 cm ,then DB+DE=plz post the approach...........

1) 10cm
2) 8cm
3) 6cm
4) 5cm

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MBA Other Question

If the real numbers p, q satisfies p3 - 3p2 + 5p - 17 = 0, q3 - 3q2 + 5q + 11 = 0. Then the numerical value of p + q is

1) -5
2) 2
3) 8
4) not
root(28-6*root 3)=root(3)*a+ bfind a-bexplain

1) -2
2) 2
3) 1
4) -1