Questions

Who discovered the colour photography?

The following pie-­chart shows the study­ time of different subjects of a student in a day . Study the pie chart and answer the following questions.

Instead of 10% , if the student spends 15% to study other subjects and the time is taken from the time scheduled to study mathematics and if he/ she used to study 20 hours per day , then the difference of time for studying mathematics per day is

Who developed the idea of Crop rotation?

Select the odd word/letters/number/number pair from the given alternatives.

How many groups and periods are present in the Modern Periodic Table?

Gaseous exchange takes place in leaves through tiny pores for the purpose of photosynthesis. What are these pores?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the button corresponding to it. If the sentence is free from error, click the "No error" option.

He recommended (A) / my case (B) / with the supervisor (C) / No Error (D)

If the break­even quantity for a factory whose variable cost of manufacturing a cell is Rs. 15 and selling price is Rs. 24 is 2,400 units, find the fixed cost of the factory?