1. If f(x)=x2 f(x)=x^{2} f(x)=x2 and g(x)=x+1 g(x)=x+1 g(x)=x+1 then find (fog)(1)-
6
8
3
4
2. Maximum number of Hydrogen bond water molecule may have?
2
1
3. Centre and radius of circle x2+y2−8y−9=0 x^{2}+y^{2}-8 y-9=0 x2+y2−8y−9=0 is-
(4,0) (4,0) (4,0) and 3
(2,4) (2,4) (2,4) and 3
(4,0) (4,0) (4,0) and 5
(0,4) (0,4) (0,4) and 5
4. Distance between two antinodes is-
λ \lambda λ
λ2 \frac{\lambda}{2} 2λ
λ4 \frac{\lambda}{4} 4λ
2λ \lambda λ
5. The antonym of "Dreadful" is -
pleasant
atrocious
awful
beastly
