Question
The arithmetic means of the following data
is.23,17,20,19,21,20,20Solution
arithmetic mean = sum of total numbers /total number Ā = (23+17+20+19+21+20+20) / 7 =140/7 arithmetic mean =20
Which of the following types of coal is called a brown coal among the following?
Consider the reaction-
Copper sulphate solution (blue) + Iron ā Iron sulphate soluton + Copper What is the colour of the iron sulphate solution?
Which of the following is NOT correct about the use of Quick lime?
A metal ball of volume 0.02 m³ is immersed fully in water. Find buoyant force. (Take g=10 m/s2, Ļ = 1000 kg/m3)
Which among the following is produced using āHaber Processā?
If ice floating on water in a vessel melts, the water level in the vessel Ā Ā Ā .

Study the following questions carefully and choose the right answer:
The main thinking part of the brain is the _______?
Which of the following is not an algae?
Kindly Study the following questions carefully and choose the right answer.
Which of the following is/are true with respect to Amoeba?
I...