Class 8 Maths – Chapter 13
Direct and Inverse Proportions
STEP 10: Important Exam Questions
Direct and Inverse Proportions
STEP 10: Important Exam Questions
📌 Very Short Answer (VSA)
- Define direct proportion.
- Define inverse proportion.
- Write the formula for direct proportion.
- Write the formula for inverse proportion.
- Is speed and time a direct or inverse proportion?
📌 Short Answer (SA)
- If 5 notebooks cost ₹100, find the cost of 12 notebooks.
- 10 workers can finish a work in 12 days. How many days will 15 workers take?
-
State whether the following are in direct or inverse proportion:
a) Number of workers and time
b) Distance and petrol consumed - If 6 men earn ₹720 in 4 days, how much will 10 men earn in the same time?
📌 Long Answer (LA)
-
8 taps can fill a tank in 15 hours. How long will 12 taps take to fill the same tank?
(Show all steps) - If the cost of 15 kg of rice is ₹900, find the cost of 25 kg of rice.
- Explain with examples the difference between direct and inverse proportion.
🎯 Examiner’s Tip:
• Mention type of proportion clearly
• Write formula before calculation
• Step-wise answers get full marks
• Mention type of proportion clearly
• Write formula before calculation
• Step-wise answers get full marks
📘 Class 8 Mathematics – Complete Library
CBSE | NCERT | State Syllabus
Chapter 1: Rational Numbers
Chapter 2: Linear Equations in One Variable
Chapter 3: Understanding Quadrilaterals
Chapter 4: Practical Geometry
Chapter 5: Data Handling
Chapter 6: Squares and Square Roots
Chapter 7: Cubes and Cube Roots
- NCERT Notes
- MCQs
- Worksheet
- Worksheet Answers
- Mind Map & Easy Tricks
- Important Exam Questions
- Very Important Questions
No comments:
Post a Comment