NCERT Exemplar Solutions
Class 6 - Mathematics - Unit 1: Number System - Multiple Choice Questions

Question 22

Step 1: “Predecessor” means the number just before a given number.

Step 2: Write 1 lakh in digits.

\[ 1\text{ lakh} = 100000 \]

Step 3: Find the number just before it by subtracting 1.

\[ 100000 - 1 \]

Step 4: Do the subtraction carefully.

\[ 100000 - 1 = 099999 \]

\[ 099999 = 99999 \]

Answer: \(99999\), which is option B.