# Proportion and Indices

## Quiz by Anitha Cruz PSGRKCW

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12 questions
• Q1
If x is directly proportional to y and x = 3 when y = 2, what is the value of x when y = 5?
3
7
5
10
30s
• Q2
If 4 pens can write 12 pages, how many pens are needed to write 36 pages?
8
6
4
12
30s
• Q3
If the area of a rectangle is directly proportional to its length, and the area is 36 square units when the length is 6 units, what is the area when the length is 9 units?
18
12
27
81
30s
• Q4
If a car travels 300 miles in 4 hours, what is its average speed?
50
150
75
100
30s
• Q5
If the price of 6 apples is \$4, what would be the price of 3 apples?
\$6
\$3
\$2
\$1
30s
• Q6
If the length of a rectangle is increased by 20% and its width is decreased by 10%, what is the overall effect on the area?
The area increases by 8%
The area remains unchanged
The area increases by 30%
The area decreases by 10%
30s
• Q7
A recipe calls for 2 cups of flour. If you want to make only half of the recipe, how many cups of flour do you need?
1 cup
2 cups
3 cups
4 cups
30s
• Q8
What is the product of 2^4?
12
16
6
8
30s
• Q9
What is the value of 10% expressed as a decimal?
10
0.01
0.1
1
30s
• Q10
What is the result of 3^0?
1
9
3
0
30s
• Q11
What is the result of (-2)^3?
-2
-6
-8
6
30s
• Q12
What is the value of 4% expressed as a decimal?
4
0.4
0.004
0.04
30s

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