Number System

CASE STUDY BASED QUESTIONS

As per the census of India 2011, the urban population of Punjab, Uttar Pradesh and Madhya Pradesh was recorded as (1,03,99,146), and (2,11,69,405) respectively.

Q1: The urban population of Madhya Pradesh was:

Given Population:
Madhya Pradesh = 2,11,69,405

Let’s read this number:
2 Crore 11 Lakh 69 Thousand 405

Check the correct option:
Option (c) says: Two crore eleven lakh sixty nine thousand four hundred five

Correct Answer: (c)

Q2: The urban population of Madhya Pradesh exceeded that of Punjab by:

Given:
Madhya Pradesh = 2,11,69,405
Punjab = 1,03,99,146

Subtraction:
2,11,69,405 − 1,03,99,146 = ?

Step-by-step:
= 2,11,69,405
− 1,03,99,146
———————-
= 1,07,70,259

Correct Answer: (b) 1,07,70,259

Q3: The total urban population of the three states was:

Given:
Punjab = 1,03,99,146
Uttar Pradesh = 4,44,95,063
Madhya Pradesh = 2,11,69,405

Add all three:
Step 1: Punjab + Uttar Pradesh
= 1,03,99,146 + 4,44,95,063 = 5,48,94,209

Step 2: Add Madhya Pradesh
= 5,48,94,209 + 2,11,69,405 = 7,60,63,614

Correct Answer: (c) 7,60,63,614

Q4: The urban population of Uttar Pradesh rounded to the nearest lakh is:

Given:
Uttar Pradesh = 4,44,89,063

Look at ten-thousands digit:
It’s 8 → So, we round up

Rounded to nearest lakh:
= 4,45,00,000

Correct Answer: (a) 4,45,00,000