Comparing Quantities Quiz

Determine the ratio of 2.4 kg to 450 g.

1. 16 : 3
2. 3 : 16
3. 2 : 375
4. 3 : 4

Answer: (a) 16 : 3

Which of the given ratios is not equivalent to the other ratios?

1. 10.2 : 11.9
2. 2 years : 28 months
3. 2/3 : 5/6
4. 780 : 910

Answer: (c) 2/3 : 5/6

If $1500 is divided among L, M, N in the ratio 3 : 5 : 7. How much does M get?

1. $500
2. $300
3. $700
4. $1200

Answer: (a) $500

3.6% of the number is 45. Determine the number.

1. 125
2. 1250
3. 12.5
4. 1025

Answer: (b) 1250

Peter is 6 years older than Joseph. If Joseph is 15 years old, then determine the ratio of Peter's age to Joseph's age 3 years ago.

1. 3 : 2
2. 5 : 6
3. 2 : 3
4. 6 : 5

Answer: (a) 3 : 2

The sum of the ages of two friends is 32 years and the ratio of their ages is 3 : 5. What is the difference in their ages?

1. 2 years
2. 6 years
3. 8 years
4. 12 years

Answer: (c) 8 years

Determine the value of p, given that p : 9 and 6/5 : 3/4 are in proportion.

1. 180
2. 14.4
3. 1440
4. 18

Answer: (b) 14.4

A man comes to office at 10 am and leaves at 7 pm with a lunch break of 75 minutes. What is the ratio of his lunch interval to total period in the office in its simplest form.

1. 15 : 36
2. 5 : 39
3. 5 : 36
4. 11 : 45

Answer: (c) 5 : 36

A building 20 m high casts a shadow of length 15 m at a time when a tree and a pole casts shadow of length 6 m and 12 m respectively. Find the ratio of the height of the pole to the height of the tree.

1. 1: 2
2. 2 : 3
3. 3 : 1
4. 2 : 1

Answer: (d) 2 : 1

A sum of $460,000 is to be divided among three friends, Karl, Mark and Justin, in the ratio of 1/2 : 4/5 : 1. Find the difference in the amount received by Justin to that received by Mark.

1. $160,000
2. $50,000
3. $100,000
4. $40,000

Answer: (d) $40,000