A 150 m long train, travelling at 54 km/h, crosses a platform in 42 seconds. What is the length of the platform?

Rearrange the jumbled letters to make a meaningful word and then select the one which is different.

Rahi deposited ₹ 600 in a bank that promised 8% simple interest per annum. If Rahi kept the money with the bank for 5 years, she will earn an interest of: 

‘P’ is the smallest positive integer such that every positive integer N greater than ‘P’ can be written as a sum of two composite numbers. Then ‘P’ is:

Select the option that is related to the third word on the same basis as the second word is related to the first word.
Magnetic field : Oersted : : Power : ?