For the following questions answer them individually
By selling 90 pens for Rs 80 a man loses 20%. What should be the selling price (in Rs) of 90 pens for 20% profit?
If cos 45° - sec 30° = x, then value of x is
Refer the below data table and answer the following Question.
If the imports In 2012 was Rs. 600 crores and the total exports in the years 2012 and 2013 together was Rs. 2800 crores, then the imports in 2013 was?
The time taken by a train 160 m long, running at 72 km/hr, in crossing an electric pole is
A sum fetched a total simple interest of Rs. 8100 at the rate of 6% per year in 9 years. What is the sum?