Questions

Ans.  CP of mixture = {(40*3+60*2)/2+3} = 48 SP of the mixture = 1.1 48 =52.8

The objects through which light cannot pass are called as Opaque objects. Some objects allow some light to pass through them and are called as Translucent objects. The objects which allow all the light to pass through them are called as Transparent objects.

Here in the given options Book is an example of opaque object as it does not allow light to pass through it. Water is transparent object and notebook paper and sun glasses are examples of translucent objects.

Grammy Award is given in the field of Music industry by The Recording Academy of the United States.

After 200 years of long British rule, India got independence in 1947. India was then divided into two muslim majority Pakistan and Hindu majority India.

The South African leg-spinner has become the 1st-ever spinner to bowl the 1st over in a World Cup. It took place in the World Cup 2019 against England team at Oval in London where he bowled Bairstow for a DUCK.

The capital of India shift from Kolkata to New Delhi in the year 1911.

The given sentence is in simple past. No improvement required.