Chapter Exam

Chapter 14: Perimeter and Area — Online MCQ Test

Q: What is the formula for the perimeter of a rectangle with length l and breadth b?

Answer: A. 2(l + b) — The perimeter of a rectangle is the sum of all four sides, which equals 2(l + b).

Q: What is the formula for the area of a square with side s?

Answer: B. s² — The area of a square is calculated by multiplying side × side, which is s².

Q: What is the perimeter of a rectangle with length 12 cm and breadth 8 cm?

Answer: B. 40 cm — Perimeter = 2(l + b) = 2(12 + 8) = 2(20) = 40 cm.

Q: Two rectangles have the same perimeter but different dimensions. What can we conclude about their areas?

Answer: B. Their areas can be different — Two rectangles can have the same perimeter but different areas. For example, a 6×4 rectangle and 7×3 rectangle both have perimeter 20 but areas 24 and 21 respectively.

Q: If the side of a square is increased by 2 cm, the area increases by 28 cm². What was the original side length?

Answer: B. 6 cm — Let original side = s. New area - Original area = 28. (s+2)² - s² = 28. s² + 4s + 4 - s² = 28. 4s + 4 = 28. s = 6 cm.

MATHS · Samacheer Kalvi 6th · Tamil Nadu State Board

Practice Chapter 14: Perimeter and Area with a free chapter-wise online MCQ test for Tamil Nadu State Board Samacheer Kalvi 6th MATHS. This chapter covers: Area formulas, Perimeter formulas, Rectangle, Square, Right-angled triangle. AI-generated questions from basic to board-exam level, with instant results and explanations.

Questions

20m

Time Limit

Attempts Left

10 random questions from this chapter (mixed difficulty)
Questions you've seen before won't repeat until the pool resets
You have 20 minutes — exam auto-submits when time is up
Maximum 3 attempts per chapter
Results and explanations shown immediately after submission

New here? Register free — includes 3 free chapter exams.

Chapter 14: Perimeter and Area — Important Questions & Answers (FAQ)

Frequently asked questions from Tamil Nadu State Board Samacheer Kalvi 6th MATHS — Chapter 14: Perimeter and Area, with answers and explanations. These are sample questions; the exam has its own separate question set.

What is the formula for the perimeter of a rectangle with length l and breadth b?

A. 2(l + b) ✓
B. l × b
C. l + b
D. 2l + b

Answer: A. 2(l + b)
The perimeter of a rectangle is the sum of all four sides, which equals 2(l + b).

What is the formula for the area of a square with side s?

A. 4s
B. s² ✓
C. 2s
D. s

Answer: B. s²
The area of a square is calculated by multiplying side × side, which is s².

What is the perimeter of a rectangle with length 12 cm and breadth 8 cm?

A. 20 cm
B. 40 cm ✓
C. 96 cm
D. 56 cm

Answer: B. 40 cm
Perimeter = 2(l + b) = 2(12 + 8) = 2(20) = 40 cm.

Two rectangles have the same perimeter but different dimensions. What can we conclude about their areas?

A. Their areas must be equal
B. Their areas can be different ✓
C. Their areas must be different
D. Cannot determine relationship

Answer: B. Their areas can be different
Two rectangles can have the same perimeter but different areas. For example, a 6×4 rectangle and 7×3 rectangle both have perimeter 20 but areas 24 and 21 respectively.

If the side of a square is increased by 2 cm, the area increases by 28 cm². What was the original side length?