Aryan invested ₹ 5200 at 4 %, 6 % and 8 % per annum simple interest. At the end of the year, he got the same interest in all the three cases, find the money invested at 4%. 

Fill in the blanks:
Sin A = ____ × (Cos A) 

He has the habit of getting into a row over trivial matters. 

In these questions read each sentence to find out whether there is any error in it. If there is no error, the answer is (D).

I would rather (A)/ play cricket than (B)/ to clean my room. (C)/ No Error (D)

On selling an article for Rs 162 there is a loss of 10%.At what price it should be sell in order to gain a profit of 10%?