GAT Subject Mathematics Mathematics With Answers

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GAT Subject Mathematics Mathematics

Sr. # Questions Answers Choice
1 For any set X, X∪X is 15 15i -15i -15
2 What is the conjugate of -7 -2i ? -7 + 2i 7 + 2i 7-2i √53
3 If Z1 = √-36, Z2=√-25, Z3= √-16, then what is the sum of Z1, Z2 and Z3 ? √3 I √7 -2-1 √5
4 If Z1 = 1+i, Z2 = 2+3i, then |Z2-Z1|=?
 √3 I √7 -2-1 √5
5 If Z= (1,2). tjem Z-1 = ? (0.2, 0.4) (-0.2, 0.4) (0.2, -0.4) (-0.2, -0.4)
6 The value of x, and y, when (x+iy)2=5+4i X=2, y=-1 X=-2, y=1 X=2, y=-i X=2, y=2
7 π/3 is A positive integer A negative integer A natural number An irrational number
8 Every prime number is also Rational number even number Irrational number multiple of two numbers
9 3/2 is An irrational number Whole number A positive integer A rational number
10 √23 is A rational number A irrational number An even integer A factor of 36
11 6 is A prime integer An irrational number A rational number A odd integer
12 0 (zero) is A irrational number A rational number A negative integer A positive number
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