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69.

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73.

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77.

78.

How many terms of a geometric progression 1, 2, 22, ... are needed to give the
sum 63 ?

A) 5 B) 4 06 D) 3

The interval in which the function f given by f(x) = x? 4x +6 is strictly increasing is
A) (-ಇ,2) B) [2, ಇ) 0०) (7-०, 2] 0) (2, =)

Which of the following relations on A = {1, 2, 3} is an equivalence relation ?

A) {(1, 1), (2, 2), (8, 3)} B) {(1, 1), (2, 2), (3, 3), (1, 2)}

C) {(1, 1), (3, 3), (1, 3), (3, 1)} D) {(2, 2), (1, 2), (2, 1)}

The function given f: N > N by f(x) = 2x is

A) One-one and onto B) One-one but not onto

C) Not one-one and not onto D) Onto but not one-one

Sin (sinx) = x is defined on

+) 8) ೬5[-%.7(
©) xe [0, മി 0) >< (0, 7)

The slope of the tangent to the curve y = x3 — x atx =2is
A) 6 B) 11 C) 12 D) 10

If f(x) = 8x3 and g(x) = x4, 116 (89०) (x) is
A) 8x B) 2x3 C) 2x 0) 3

The number of all possible 2x2 matrices with entries 0 or 1 is

A) 16 B) 9 Cc) 8 D) 25
x-1
The value of is
×+1 >
A) -1 B) x C) x? D) 1

If A and B are square matrices of the same order, then (A+B) (A — B) equal to
^) ^2 - 82 8) ७? - 8५ - ७8 - 87
‏2م ره‎ - 8: + 8७ - ४8 0) ७४ - 8७ + 82+ 8

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