If she ___________ how to calibrate the instrument, she __________ done the experiment.

In the given text, the blanks are numbered (i)−(iv). Select the best match for all the blanks. Steve was advised to keep his head ___(i)___ before heading __(...

A rectangular paper sheet of dimensions 54 cm × 4 cm is taken. The two longer edges of the sheet are joined together to create a cylindrical tube. A cube whose...