Question Paper
Class / Subject: Class 8 (CBSE) · Mathematics
Chapter: Chapter 7 — Chapter 7: Proportional Reasoning–1
Time Allowed: 15 minutes
Max Marks: 6
1. In direct proportion, when one quantity doubles, the other: [1]
(A) also doubles
(B) halves
(C) stays the same
(D) becomes zero
2. If 3 books cost ₹150, the cost per book is: [1]
(A) ₹50
(B) ₹150
(C) ₹450
(D) ₹3
3. Distance travelled at constant speed is in direct proportion to: [1]
(A) time
(B) the vehicle's colour
(C) the driver's age
(D) nothing
4. Setting up a proportion problem uses: [1]
(A) equal ratios
(B) unequal ratios
(C) only addition
(D) only subtraction
5. A recipe for 4 people needs 2 cups of rice. For 10 people, rice needed is: [1]
(A) 5 cups
(B) 4 cups
(C) 8 cups
(D) 2 cups
6. To solve a proportion equation, we use: [1]
(A) cross-multiplication
(B) only addition
(C) only division
(D) guessing