9years =2times Rate = [(2-1)/9] ×100=100/9=11(1/9)%
Which of the following is a process in which water from any source change into vapour state ‘due to heat’?
Organisms have been divided into how many kingdoms?
In the given figure, frogs occupy ________.
Which of the following can be beaten into thin sheets?
What is the principle behind the operation of a washing machine?
The red colour of onion is caused by the presence of which pigment?
Up to what temperature can a mercury thermometer measure?
Which of the following is the ratio of Oxygen to Nitrogen in the air?
Which of the following types of coal is called a brown coal among the following?
