If sinθ+ cosecθ=2, then the value of $sin^{-7}$θ + $cosec^{7}$θ is
1). $2^{7}$
2). $2^{-7}$
3). 2
4). $2^{1}$
A merchant changed his trade discount from 25% to 15%. This would increase selling price by
1). 3⅓%
2). 6⅙%
3). 13⅓%
4). 16⅓%
.If x=3/2, then the value of 27x354x2+36x11 is
1). 11⅜
2). 11⅝
3). 12⅜
4). 12⅝
A cylindrical vessel of radius 4 cm contains water . A solid sphere of radius 3 cm is dipped into the water until it is completely immersed . The water level
in the vessel will rise by
1). 3.5 cm
2). 2.25 cm
3). 2 cm
4). 3.8 cm
The value of ( $\frac{1}{(p-n)(n-q)}$ + $\frac{1}{(n-q)(q-p)}$ + $\frac{1}{(q-p)(p-n)}$ is
1). 1
2). 0
3). p+q+n
4). 2n/p+q