C. 6
D. 8
E. 3
Ans: C
5. n and k are positive numbers
col a: ^2
colb: ^2
Ans: D
6. A+B=1 and M+T=2
A and M are positive and B and T are negative
Cola :A^2 + B^2
Col b: M^2 + N^2
Ans: D
7.The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
8. The number of numbers that can be formed by the digits 1,2,3,4,3,2,1. the odd digits are at odd places is given by
A) 430
B) 215
C) 93
D) 36
E) 18
Ans: E
9. Given a semicircle with radius 2 and its area is 2pie. Find the perimeter of the semicircle.
Ans: 4+2pie
10. Two lines 3x-5y=10 and 2x-10y=-3 were given and the point of intersection of these lines lies in which quadrant?
Ans: IVth quadrant
11. Given x ,10-x, 2x+3 are three numbers. If mean of these 3 numbers is 24. Find median.
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