OPEC Headquarters: Vienna, Austria Secretary General: Haitham Al Ghais
In a class, the ratio of students who passed to those who failed is 5:6. If 30 additional students had passed the exam, the ratio would shift to 17:16. ...
A right triangle ABC with sides 5 cm ,12cm and 13cm is revolved about the side 12 cm. What is the volume of the solid so obtained?
The ratio of number of balls in bag A and bag B is 6:8 respectively. If six balls are transferred from bag B to bag A, then number of balls are equal in...
If 30% of a certain number is equal to 4/5th of another number, what is the ratio between the numbers?
The ages of X and Y are in the proportion of 6: 5 and the total of their ages is 66. The proportion of their ages after 4 years will be:
By mistake, by dividing Rupees 2256 between x, y and z in the proportion 1/3: 1/4: 1/5, it was divided in the proportion of 3:4:5. What is the differenc...
The ratio between the number of books and pencils is 8:6 and the ratio of cost of per book and pencil is 3:2 then find the percentage by which total cos...
Two numbers are respectively 40% and 70% more than a third number. Find the ratio of two numbers.
Rs. 11500 was divided among A, B and C in the ratio 5:8:10. B kept Rs. 1300 for himself, gave Rs. 700 to his mother and divided the remaining money amon...
The ratio between two numbers is 3:4. If each number is increased by 8, the ratio between then become 5:6, find the difference between numbers.
