If $\frac{(1 + cosA)}{(1 - cosA)}$ = x, then x is
1). $\frac{cot^{2}A}{(secA - 1)^{2}}$
2). $\frac{cot^{2}A}{(secA + 1)^{2}}$
3). $\frac{tan^{2}A}{(secA + 1)^{2}}$
4). $\frac{tan^{2}A}{(secA - 1)^{2}}$
Simplify $\frac{(b^{5}x^{2}a ^{3}z^{4})*(b^{3}x^{2}a^{4}z^{5} )}{(a^{2}b^{3}z^{2})}$
1). $b^{5}x^{4}a^{5}z^{5}$
2). $b^{5}x^{4}a^{5}z^{7}$
3). $b^{5}x^{4}a^{4}z^{7}$
4). $b^{4}x^{4}a^{5}z^{7}$
Pankaj has done 1/2 of a job in 12 days, Sainath completes the rest of the job in 6 days. In how many days can they together do the job?
1). 4 days
2). 12 days
3). 8 days
4). 16 days
The only brother of Ankit is the brother-in-law of Shweta. How Shweta is related to Ankit?
1). Wife
2). Sister
3). Mother
4). Aunt
In a certain code language, 'TERMITE' is written as 'UDSLJSF'. How is 'MINISTER' written in that code language?
1). NHOHSTFQ
2). NHHOTSFQ
3). NHOHTSFQ
4). NHOHTSQF