SSS2 Maths Quiz 14.2 – Sum and difference of vectors

A workman is paid N18,000 for a 45-hour week. Calculate his hourly rate of pay.

A car travels 210 km in 3 hours. Calculate its average speed in km/h.

A steel beam 6.5 m long has a mass of 162.5 kg. Find its mass in kg/m.

If 30 cm³ of sea water has a mass of 31.5 g, find its density in g/cm³.

Each week a person works from 9 am to 1 pm on five days and from 3 pm to 6:30 pm on three days. The rate of pay is N650 per hour. What is the person’s total weekly wage?

If I can ride a bicycle at a rate of 6 m/s, how long will it take me to ride a distance of 15 km at the same rate?

A train travels at an average speed of 80 km/h for 2.5 hours. How far did it travel?

A machine produces 200 units in 8 hours. What is its production rate per hour?

A metal rod 4 meters long weighs 20 kg. What is its weight per meter?

If 50 ml of a liquid has a mass of 60 g, what is its density in g/ml?

A typist can type 60 words per minute. How long will it take her to type a document of 3000 words?

A car travels at a speed of 90 km/h. How long will it take to cover a distance of 450 km?

A rectangular field has an area of 1200 m² and a width of 30 m. Find its length.

A swimming pool is being filled at a rate of 50 liters per minute. How long will it take to fill the pool with 15000 liters of water?

A painter charges N8000 to paint a room. If it takes him 5 hours to complete the job, what is his hourly rate?

A cyclist covers a distance of 30 km in 2 hours. What is his average speed in km/h?

A copper wire 5 meters long has a mass of 40 grams. What is its mass per meter?

If 200 ml of a chemical solution has a mass of 240 g, what is its density in g/ml?

A factory worker earns N750 per hour. If he works 8 hours a day for 5 days a week, what is his weekly wage?

A train travels a distance of 540 km in 6 hours. What is its average speed?