Question
How many spherical solid marbles, each having a radius
of 0.3 cm, can be made from a solid sphere having a radius of 6 cm?Solution
Volume of a sphere formula:
The sum of three numbers is 118. If the ratio of the first number to the second number is 3 : 4 and that of the second number to the third number is 5 ...
- A farmer had cows and goats in the ratio 8:11. He had 60 more goats than cows. Later, he sold 12 cows and 18 goats. What is the ratio of the number of goat...

- In a classroom, the ratio of the number of left-handed to right-handed students is 5:6. When 10 more students of each type join, the ratio changes to 15:16...
A company produces three types of products: X, Y, and Z. Initially, the production ratio of X to Y to Z is 5:7:8. The total production of these three pr...
'X' settles his bill using bitcoins, with the total bill amounting to Rs. 420. The distribution ratio of 50-silver, 1-gold, and 5...
The ratio of milk to water in a mixture is 5:3. If 16 liters of water is added, the ratio becomes 5:7. Find the initial quantity of milk in the mixture.
The total number of phones to the total number of laptops in Stores A and B is in the ratio 120:13. Additionally, the number of laptops in Store A to t...A boy is supposed to distribute Rs.4400 among his three friends P, Q and R in the ratio of 4:2:5 respectively, but mistakenly he distributed in the rati...
A and B together can do a piece of work in 12 days. A alone can do it in 20 days. They are paid Rs 8,400 in total for the whole work. Find the shares of...