Mathematics question paper

Half Yearly Examination 2079
Class 12
Kalika ManavGyan Secondary School

1. In a certain election, there are four candidates for president, six for

secretary and only two for treasurer. In how many ways the election may

turn out?

2. In how many ways can 5 boys and 5 girls sit on a circle so that no two boys

sit together

3. The nth term of the series 1, 4. 7+ 2. 5. 8+ 3. 6. 9 + ... is

4. If n is any odd natural number, then a" + b" is divisible by

5. The quadratic equation ax? + bx + c = 0 has real roots if

6. What is the value of w-10?

7. The function f(x) = |x| is

8. The equation of the normal to the curve y = x^ - 2x at the point (1, -1) is

9. Jesinx cosxdx is

10. The value of J J«-3) (9-4) dx is