Estimate 15% of ₹375.50

Estimate 30% of Rs 375.50

Estimate 20% of ₹ 357.30

Additional Bits : 15% of 250 = _____________.

Simplest form of 375/1000 is______

Jagadeesh tried to estimate the height of a tree by covering the height with a vertical scale holding it at a distance of 50 cm from his eyes along horizontal line. If the scale measurement of the tree is 15 cm and distance of the tree from Jagadeesh is 50m. Find the actual height of the tree.

200ml of pure oxygen is subjected to electric discharge, 15% of oxygen is converted into ozone. The volume of ozonized oxygen is