Question

(7) A borrowed a sum of Rs. 5,000 from B and agreed to repay
the sum in ten monthly instalments of Rs. 500 each and the
interest at the rate of 10% per anoum in the 11th instalment.
Calculate the simple interest that A paid to B.​

Answer 1

Answer:

The atomic number or proton number of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. It is identical to the charge number of the nucleus.