Exams

Refer the below data table and answer the following question.

How many students have scored marks 20 or more but less than 40?

217 x 217 + 183 x 183 = ?

If two complimentary angles are in the ratio of 4 : 5, find the greater angle.

Refer the below data and answer the following question.

What was the increase in the height of the child from 8th Birthday to 16th birthday?

Five men and nine women can do a piece of work in 10 days. Six men and twelve women can do the same work in 8 days. In how many days can three men and three women do the work  ?

If the cost price of a certain object doubles, then the loss gets tripled of what it was initially. The initial loss % was ?

Amit can do a piece of work in 45 days, but Bharath can do the same work in 5 days less, than Amit, when  working alone. Amit and Bharath both started the work together but Bharath  left after some days and Amit finished the remaining work in 56 days with half of his efficiency but he did the work with Bharath with his complete efficiency. For how many days they had worked together?

In the following question, select the missing number from the given series.

5, 9, 13, 17, ?