For the following questions answer them individually
If $$x = a \sec \theta + b \tan \theta and y = a \tan \theta + b \sec \theta$$, then find $$x^2 - y^2$$.
Which of the following will best complete the relationship given below?
ZYX: TSR :: MLK : ?
A boy walks 2 km to the east and walks 2.5 km to the north. Again he turns to the east and walks 1.5 km. How far is he from the starting point ?
In this question, a statement is given followed by two conclusions. Choose the conclusion(s) which best fit(s) logically.
Statement:
Company ABC has marketed the product. Go ahead, purchase it if price and quality are your considerations.
Conclusions:
I. The product must be good in quality.
II. The price of the product must be reasonable.
The Simple Interest and Compound Interest on a certain sum of money for two years are Rs.8400 and Rs.8652 respectively. Find the rate of interest.