The measures of the outer dimensions of a closed metal box are given as 15 cm 18 cm 8 cm. The thickness of the metal is 1.5 cm. What will be the volume of the metal required to make the box?
If a boy goes from his home to his school at a speed of 40 km/h, he reaches 10 minutes early. If he goes at a speed of 35 km/h, he reaches 5 minutes late. What will be the time taken for the journey at a speed of 35 km/h?