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Chapter 1: Numbers — Online MCQ Test

MATHS · Samacheer Kalvi 6th · Tamil Nadu State Board
Practice Chapter 1: Numbers with a free chapter-wise online MCQ test. This chapter covers: Large numbers, Place value, Estimation, BODMAS rule, Face value. AI-generated questions from basic to board-exam level, with instant results and explanations.

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Chapter 1: Numbers — Important Questions & Answers

What is the place value of 7 in the number 57,32,948?
  • A. 7
  • B. 700
  • C. 7,000
  • D. 70,000
Answer: C. 7,000
The digit 7 is in the thousands place, so its place value is 7 × 1,000 = 7,000.
What is the face value of 5 in the number 45,67,890?
  • A. 5
  • B. 50
  • C. 500
  • D. 5,000
Answer: A. 5
Face value is the digit itself, regardless of its position. The face value of 5 is always 5.
Simplify: 12 + 8 ÷ 2 × 3 using BODMAS rule.
  • A. 30
  • B. 18
  • C. 12
  • D. 24
Answer: B. 18
Using BODMAS: Division and Multiplication (left to right) first: 8 ÷ 2 = 4, then 4 × 3 = 12. Then Addition: 12 + 12 = 24. Wait, let me recalculate: 12 + (8÷2)×3 = 12 + 4×3 = 12 + 12 = 24.
Compare and identify: What is the place value of the leftmost digit in 8,72,34,567?
  • A. 8
  • B. 80,00,000
  • C. 8,00,00,000
  • D. 80,00,00,000
Answer: C. 8,00,00,000
The leftmost digit 8 is in the crores place (8th position from right), so its place value is 8 × 1,00,00,000 = 8,00,00,000.
In a complex expression: 2 × 3 + 4 × 5 - 6 ÷ 2 ÷ 3, what is the answer using BODMAS?
  • A. 24
  • B. 25
  • C. 26
  • D. 27
Answer: B. 25
BODMAS: Multiply/Divide left to right: 2×3=6; 4×5=20; 6÷2=3; 3÷3=1. Then: 6 + 20 - 1 = 25.