Mathematics MCQs

9 is 1/3% of what number?

A solution of water and sugar contains 10% sugar; the solution's weight is 8 kg. When 2 kg of water is added to this solution, the percentage of sugar becomes:

A is twice as good a workman as B, and together they finish a piece of work in 18 days. In how many days will B alone finish the work?

If you pay $22.90 for a DVD that includes a 7% sales tax, what is the price of the DVD before the sales tax?

The value of 1/3 of 24 is:

Length and width of a field are in the ratio 5:3. If the width of the field is 42 m, then its length is:

Aslia has three types of balls: red, green and blue. If their ratio is 2:3:5, what percent of balls are green?

Look at this series: 2, 6, 18, 54, _____. What number should come next?

Income of A is 25% less than B. How much percent B's income would be more than that of A?

x, 9, 25, 49, 81, 121. Find the value of x