Raj and Rajat can finish a piece of work in 30 days and 40 days respectively. Raj started the work alone. After how many days should Rajat join him so that the work is finished in 24 days?
The correct answer is C
I threw a ball horizontally on the road and after covering certain distance, the ball stopped due to
The gas usually causing explosions in coal mines is-
The method of transfer of heat in liquid is
UNO was established on?
One Astronomical Unit (AU) is the average distance between-
What is the pH of Urine ?
What is the colour of neutral wire?
1) Red
2) Green
3) Black
4) Yellow
Which of the following occurs in a positively charged body ------------.
The hormone related to drought tolerance is-
Which of the following Instrument is used to measure humidity?
