SSS2 Maths Quiz 14.3 – Scalar multiplication

Divide ₦350 into the ratio 3:4

Ada, Bisi, and Chidi are aged 10, 15, and 18 years respectively. They share ₦990 in the ratio of their ages. How much does each get?

The cost of $150,000 of producing a machine arises from the cost of materials, labor, and overhead in the ratio 5:8:3. Calculate the cost of labor for producing 25 such machines.

P, Q, and R share ₦120 so that for every ₦1 that R gets, Q gets ₦3 and for every ₦2 that Q gets, P gets ₦5. How much does Q get?

Divide ₦560 in the ratio 2:5:3

A sum of money is to be divided among A, B, and C in the ratio 2:3:5. If C gets ₦400 more than B, what is the total sum of money?

The ratio of the number of boys to the number of girls in a school is 4:5. If there are 240 boys, how many girls are there?

A man and his wife share their profit in the ratio 3:2. If the profit is ₦7500, how much does the wife receive?

Three numbers are in the ratio 2:3:4 and their sum is 108. Find the largest number.

If 3 men can do a piece of work in 6 days, how long will it take 2 men to do the same work?

A recipe for 4 people requires 200g of flour. How much flour is needed for 6 people?

If 5 men can build a wall in 10 days, how many days will it take 3 men to build the same wall?

A car travels 270 km in 3 hours. How far will it travel in 5 hours at the same speed?

If 8 oranges cost ₦160, how much will 12 oranges cost?

A map has a scale of 1:25000. If the distance between two points on the map is 4 cm, what is the actual distance in kilometers?

If a:b = 2:3 and b:c = 4:5, find a:c

The ratio of the areas of two similar triangles is 4:9. What is the ratio of their corresponding sides?

If 6 men can complete a task in 12 days, how many men are needed to complete the same task in 8 days?

A sum of ₦1200 is divided among A, B, and C such that A’s share is half of B’s share and B’s share is 3 times C’s share. Find B’s share.

A man is 1.8 m tall and casts a shadow of 3 m. At the same time, a tree casts a shadow of 15 m. Find the height of the tree.