Exams

The average marks obtained by a group of 10 students were 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.6. What were the average marks obtained by the student who left and the one who joined?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word. 

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

Kill someone by covering their nose and mouth so that they suffocate

The amount received at 10% per annum compound interest after 3 yrs is Rs 10,648. What was the principal (in Rs)?

A girl is standing facing towards the south. She turns 135 degree in the anticlockwise direction and then again takes a 180 degree turn in the anticlockwise direction. Which direction is she facing now ?

Marble is a metamorphic rock of _______.

Which of the following was a major industry in the Mughal period?

Who among the following is the winner of the National Badminton Championship (Men), 2017?