Arihant Expert Team Solutions for Exercise 1: Practice Questions

What should come in the place of question mark (?) in the following question:

What should come in the place of question mark (?) in the following question:

What should come in the place of question mark (?) in the following question:

What should come in the place of question mark (?) in the following question

What should come in the place of question mark (?) in the following question?

What number will come in the place of both the question marks $(?)$ in the following question:

$\frac{(?{)}^{2.7}}{98}=\frac{28}{(?{)}^{0.3}}$

What is the approximate value of $\frac{399.99}{798.87}\times 199.87$?

What approximate value should come in place of the question mark $(?)$ in the following question:

$8747÷165\times (6{)}^2+320=?$