Math and Science Problem Solving

Front

A liquid has a density of 0.85 g/cm³ and a mass of 680g. Calculate its volume in litres.

Back

0.8 litres

Front

A force of 350 N creates a pressure of 25 N/cm². Calculate the area.

Back

14 cm²

Front

A triangle is reflected in the x-axis. Are the original and reflected triangles congruent or similar?

Back

Congruent

Front

A carpenter's rate is £28 per hour. If he works 6.5 hours, how much does he earn?

Back

£182

Front

Two liquids are mixed: 400 ml of liquid A (density 0.9 g/cm³) and 600 ml of liquid B (density 1.2 g/cm³). Find the density of the mixture.

Back

1.08 g/cm³

Front

A delivery driver earns £8.50 per hour for the first 40 hours and £12.75 per hour for overtime. How much does she earn for working 45 hours?

Back

£403.75

Front

Which transformation results in similar shapes?

Back

Enlargement

Front

A force of 240 N is applied to an area of 8 cm². Calculate the pressure in N/cm².

Back

30 N/cm²

Front

A cube of aluminium has sides of 4 cm and a density of 2.7 g/cm³. Calculate its mass.

Back

172.8 g

Front

An electrician charges £45 per hour with a minimum charge of 2 hours. What is the cost for a 1.5-hour job?

Back

£90