Exams

The chemical weathering of feldspar produces

In a bag, the ratio of red balls to green balls is 4:9. If 7 more red balls are added to the bag, the ratio of red balls to green balls will become 5:6. How many green balls are there in the bag?

Find the number of prime factor of 20790.

Which of the following allotropes of Carbon is used as a reducing agent in metallurgy?

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

What cells line the ventricles of the brain?

The second largest river in terms of length in India is

Divide Rs.221 in the ratio 1:3:6:7. The rupees in the respective ratios are