For the following questions answer them individually
The average age of of Ram and Rahim is 10 years. The average age of Rahim and Ramesh is 15 years. The average age of Ram and Ramesh is 20 years. What is the age of eldest of the three?
The ratio of speed of three racers is 3 : 2. What is the respective ratio of time taken by the three racers to cover the same distance?
Let a bag contain 2kg of sugar and 3kg of salt. What percent of total is occupied by sugar?
The value of $$\left(\frac{1}{5}\right) + \left[1\frac{1}{4} - \frac{1}{2}\right] \times \left(\frac{2}{5}\right)$$ lies between:
The following table shows the expenditure of a family in the year 2018 and 2019.
What is the percent increase or decrease in the total expenditure in 2019 from 2018?
The ratio of the sides of a triangle is 11 : 11 : 4. If the area of triangle is $$2\sqrt{117}Â cm^{2}$$, then what is the length of the equal sides?
30 percent of marked price is equal to 50 percent of cost price. If no discount is given, then what will be the profit percentage?
Find the compound interest (CI) on Rs. 12,600 for 2 years at 10% per annum compounded annually.
A train having length 330 metres takes 11 seconds to cross a 550 metres long bridge. How much time will the train take to cross a 570 metres long bridge?