Question

A sum of money lent out at simple interest amounts to RS. 720 after 2 years and to 1020 after a further period of 5 years,
A
Rs 500
B
Rs 550
C
Rs 600
OD
Rs 650
27​

Answer 1

Answer:

A proton is a subatomic particle, symbol p or p⁺ , with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron. Protons and neutrons, each with masses of approximately one atomic mass unit, are collectively referred to as "nucleons".