SRO Ratio:Given One Quantity

Last updated almost 5 years ago
15 questions
Main Task - Only input numerical answers. No units (£,g,litres) need to be typed in the answer box, otherwise it will be marked incorrect)
1

A drawer contains white socks and black socks only. The number of white socks to the number of black socks is in the ratio 1:3 There are 12 white socks.
(a) Work out the number of black socks in the drawer.

1

A drawer contains white socks and black socks only. The number of white socks to the number of black socks is in the ratio 1:3 There are 12 white socks.
(b) Work out the total number of socks in the drawer.

1

James has some apples and oranges. The ratio of apples and oranges is 2:5 He has 15 oranges. How many apples does James have?

1

The ratio of lemon sweets to strawberry sweets in a tub is 5:3 There are 120 lemon sweets in the tub. How many strawberry sweets are in the tub?

1

Rachel has some first class and some second class stamps. The ratio of the number of first class to the number of second class stamps is 3:4 Rachel has 18 first class stamps.
(a) How many second class stamps does Rachel have?

1

Rachel has some first class and some second class stamps. The ratio of the number of first class to the number of second class stamps is 3:4 Rachel has 18 first class stamps.
(b) How many stamps does Rachel have in total?

1

Abby, Neil and Dylan share a sum of money in the ratio 2:4:5 Neil receives £60 . Work out how much money Dylan receives.

1

The ratio of the number of girls to the number of boys in a school is 9:10 There are 900 boys in the school. Work out the total number of students in the school.

1

Flour, sugar and butter are mixed in the ratio 6:2:3 How many grams of flour and sugar are needed to mix with 180g of butter? (Write your answer with no spaces and separated by a comma)

Challenge
1

Four angles are in the ratio 2:3:4:11 The largest angle is 198° Show the four angles will fit together at a point with no gaps. (Write your answer with no space and separated by a comma)

1

Matthew makes a drink using lemonade and orange juice. 210ml of his drink was lemonade 140ml of his drink was orange juice Rosie makes more of the drink for a party using the same ratio of lemonade to orange juice. Rosie uses 6 litres of lemonade. How much orange juice does Rosie use?

1

There are red and green apples in a crate. There are 60 green apples in the crate. The ratio of the number of red apples to green apples is 1:5 Georgia puts in some more red apples into the crate. The ratio of the number of red apples to green apples is now 2:3 How many red apples does Georgia put into the crate?

1

Olive has 600 fruit trees. Some of the trees are apple trees. The rest of the trees are pears trees and plum trees in the ratio 7:5. There are 175 plum trees. Work out what fraction of the trees are apple trees. Write as __/__ no spaces

1

Two numbers are in the ratio 4:3 One of the numbers is 1.8 What are the two possible values for the other number? Write your answers smallest to biggest, no spaces, separated by a comma

1

Jason, Katie and Leonard share some money. Jason gets of the money. Katie and Leonard share the rest of the money in the ratio 17:3 Jason gives 45% of his share of the money to his mother. He has £198 left. How much more money does Katie receive than Jason?

Now complete any outstanding ratio tasks on Hegarty