Which one of the following is an insectivorous plant?
1). Utricularia
2). Sequoia Gigantia
3). Nostoc
4). Bryophyta
Coefficient of $x^{2}$ in (x + 9)(6 - 4x)(4x - 7) is
1). 216
2). -4
3). -92
4). 198
A student multiplied a number by $\frac{3}{10}$ instead of$\frac{10}{3}$. What is the percentage error in the calculation?
1). 1011.11 percent
2). 45.5 percent
3). 91 percent
4). 505.56 percent
_______ fiber is used in making bulletproof vests.
1). Nylon-66
2). Terylene
3). Kevlar
4). Lexan
If tanA + tanB = X, then the value of X is
1). $\frac{(tanA - tanB)}{(1 + tanAtanB)}$
2). $\frac{(tanA + tanB)}{(1 - tanAtanB)}$
3). $\frac{(tanA + tanB)}{(1 + tanAtanB)}$
4). $\frac{(tanA - tanB)}{(1 - tanAtanB)}$