The ratio of present ages of Ratnabali and Shaukat is 8:5. After 22 years the ratio of their ages will be 10:9. At present, what is Ratnabali's age?
View Answer Report Error Discuss
A solid cube is cut into 27 identical cubes. What is the percentage increase in the total surface area?
ABCD is a quadrilateral in which BD and AC are diagonals then
A tank can be filled in 30 minutes. There is a leakage which can empty the tank in 90 minutes. Therefore, the tank will be filled in
An object travels 24 m in 3 s and then another 15 m in 2 s. What is the average speed of the object?
Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are
The mean of 12 observations is 15. One more observation is included and the new mean becomes 16. The 13th observation is
If the selling price is Rs 1680 after getting a discount of 16%, what was the marked price?