If a3 + b3 = 35 and ab = 6, then what is the value of a + b?

The graph shows the production of food grains of a country in different years. Study the graph and answer the questions.

The difference of the production of food grains for the year 1981 and 1985 is

What will be the quotient when 2143 is divided by 38?

A bank offers 5% compound interest per half year. A customer deposits Rs 4800 each on 1st January and 1st July of a year. At the end of the year, the amount he would have gained by way of interest?

If 3x + 5y + 7z = 49 and 9x + 8y + 21z = 126, then what is the value of y?

The Lena river passes through which country?

Find out the odd word/letters/number/number pair from the given alternatives.

How many rectangles can you see in the figure?