Find the missing number in the series: 2, 6, 12, 20, ?, 42

Complete the number grid by finding the missing value: Row1: 5, 8, 7 | Row2: 11, 17, 15 | Row3: 21, 33, ?

On which day is the main fair of Baneshwar (a tribal pilgrimage fair in Rajasthan) held?

What is the meaning of the Hindi word 'Sahaj'?

Choose the correct word for the group of words: 'Without any error'