Radius of the circle = 28/2 ⇒ 14 cm Required area of remaining portion = Area of square - Area of circle = (Side)² - πr² ⇒ (28)² - 22/7 × 14 × 14 ⇒ 784 - 616 ⇒ 168
In a class, 3/5 of the students are girls and rest are boys. If 2/9 of the girls and 1/4 of the boys are absent. What part of the total number of studen...
The ratio of three numbers is 3 : 5 : 4 and the sum of their squares is 11250. Find the sum of the numbers .
If A:B:C = 2:3:8 and (C - B) = 130, then find the product of 'C' and 'A'.
The population of Tigers is decreased by a certain rate of Interest (Compounded annually). If the current population of Tigers be 11520 and the ratio of...
A chemist combines three solutions with active ingredient concentrations of 10%, 20%, and 30% in the ratio 2:3:5. If the total volume of the mixture is ...
The ratio of prices listed for a bag and that of a belt is 2:1. In a sale, there was a discount of 40% on the belt. At the time of checkout, Ankit notic...
The ratio of two numbers 'a' and 'b' is 6:2, respectively. Whereas the ratio of 'b' and 'c' is 10:11, respectively. When 14 is added to 'a', it becomes ...
Ratio of the number of belts to that of purses in a store is 2:5. The ratio of the selling price of each belt to that of each purse is 4:3. If revenue g...
A bag contains 10-paisa, 20-paisa and 50-paisa coins in the ratio of 5:8:7, respectively. If the total amount in the bag is Rs. 35, then find 40% of the...
If the ratio of income of Aman and Rahul is 5:4 and the ratio of their expenses is 3:2 and each saved Rs 1600 then find the income of Aman.