Online Test — Ratios & Proportions
10 Questions • 30 min • Chapter MCQ
30:00
Question 1 of 10
easy
Write the ratio 4 to 7 in colon form
7:4
4/7
4:7
7/4
Explanation: Colon form uses : between numbers
Question 2 of 10
easy
In a class of 20 students, 8 are boys. Ratio of boys to total?
8:12
8:20
12:8
20:8
Explanation: Boys=8, Total=20 → 8:20
Question 3 of 10
easy
Find missing: 2/5 = ?/15
4
6
8
10
Explanation: 2×15=30, 30÷5=6
Question 4 of 10
easy
Are 3:4 and 9:12 equivalent?
Yes
No
Sometimes
Never
Explanation: 3:4 ×3 = 9:12 ✓
Question 5 of 10
medium
Complete ratio table: 3:5, 6:?, 9:15
8
10
12
5
Explanation: 3×2=6, 5×2=10
Question 6 of 10
medium
A car travels 60 miles in 2 hours. Unit rate?
20 mph
30 mph
40 mph
120 mph
Explanation: 60÷2=30 miles per hour
Question 7 of 10
medium
4 pizzas cost 28. Cost of 7 pizzas?
42
49
56
35
Explanation: Unit rate=7, 7×7=49
Question 8 of 10
medium
Write part-to-part ratio of vowels to consonants in "RATIO"
2:3
3:2
2:5
3:5
Explanation: Vowels: A,I,O=3, Consonants: R,T=2 → 3:2
Question 9 of 10
medium
Solve: 7/9 = 14/?
16
17
18
20
Explanation: 7×?=9×14, 7×?=126, ?=18
Question 10 of 10
medium
Double number line shows 5:3. If first is 15, second is?
6
9
12
15
Explanation: 5×3=15, 3×3=9