For the following questions answer them individually
On decreasing the price of a fan by 30 percent, its sales increases by 40 percent. What will be the percentage decrease in its revenue?
The average age of Rustam and Preetam is 30 years. The average age of Preetam and Geetam is 20 years. The average age of Rustam and Geetam is 26 years. What will be the age of the youngest of the three after 5 years?
On selling a table for Rs.210 and Rs. 420 there will be loss of $$L_{1}$$% and $$L_{2}$$% respectively. If $$L_{1} - L_{2}$$, = 7, then what is the cost price of table.
If $$\sec x + \cos x = 5/2$$, where x lies between $$0^{\circ}$$ and $$90^{\circ}$$, then what is the value of $$sin^{2}x$$?
Given bar graph shows the number of jobs held by Indians over different years in Canada. In which of these year minimum jobs are held by Indians?
The distance between P and Q is 720 km. A train leaves P at 6 am and runs at a speed of 20 m/s. The train stops on the way for 1 hour 30 minutes. At what time train will reach at Q?
The table given below shows production of taxi by two companies J and K in 5 years.
Which of the following statement is NOT correct?
I. The difference between the total production of taxi by J and K in all years is 35.
II. The production of taxi by J in year P and Q together is 92.l1 percent of the production of taxi by K in years R and S together.
What is the compound interest for 1 year on a sum of Rs. 18000 at the annual rate of 20 percent per annum compounding half yearly?
Manoj sold an article on marked price for Rs.13,000. Had he offered a discount of 10% on the marked price he would have earned a profit of 30%. What is the cost price?