1. The value of the integral is :

(a) 0

(b) 0.25

(c) 1

(d) ∞

2. The value of the integral is :

(a) √π/2

(b) π/2

(c) π/4

(d ) None of these

3. The value of the integral is :

(a) 3/4

(b) 3/8

(c) 3/5

(d ) 3/7

4. The value of the integral is :

(a) 5π/32

(b) 5/32

(c) π/32

(d ) None of these

5. The value of the integral is :

(a) 5π/32

(b) 16/35

(c) 2/35

(d ) 6/35

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