Phrases Previous Year Questions (PYQs) – 2013 – Page 1 of 12

Phrases Previous Year Questions (PYQs) – 2013 – Page 1 of 12

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If A=[100011024] and 6A1=A2+cA+dI, where A1 is A- inverse, I is the identify matrix, then (c, d) is

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Let a=j^k^ and c=i^j^k^ . Then the vector b satisfying (a×b)+c=0 and a.b=3 is

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Find the number of elements in the union of 4 sets A, B, C and D having 150, 180, 210 and 240 elements respectively, given that each pair of sets has 15 elements in common. Each triple of sets has 3 elements in common and ABCD=ϕ

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If the straight line ax + by + c = 0 always passes through (1, –2), then a, b, c are in

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A six faced die is a biased one. It is thrice more likely to show an odd number than to show an even number. It is thrown twice. The probability that the sum of the numbers in the two throws is even is

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If In=0π/4tannθdθ , then I8+I6 equals

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Let ΔABC be a triangle whose area is 103 units with side lengths |AB|=8 units and |AC|=5 units. Find possible values of the angle A

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Person A can hit a target 4 times in 5 attempts. Person B - 3 times in four attempts. Person C – 2 times in 3 attempts. They fire a volley. The probability that the target is hit at least two times. Is

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The value of the integral 0π/2sinxsinx+cosxdx is

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If ω is a cube root of unity, then find the value of determinant |1+ωω2ω1+ω2ωω2ω2+ωωω2| 

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