Question
Rohan ranks seventh from the top and twenty sixth from
the bottom in a class. How many students are there in the class?Solution
ATQ, To find the total number of students in the class, you add the rank from the top and the rank from the bottom and then subtract 1 (to avoid double-counting the student at the intersection): Total number of students = Rank from the top + Rank from the bottom - 1 In this case:Ā 
Ā So, there are 32 students in the class.
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 mĀ³ 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?
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