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Here are the pictures of grandfathers posing for a photograph. Who looks the oldest to you? 1. How much older is Appu’s grandfather than Rani’s grandfather? - Mathematics

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Answer in Brief

Here are the pictures of grandfathers posing for a photograph. Who looks the oldest to you?

Elephant Appu's
grandfather
(95 years old)

Chuchoo rat's
grandfather
(2 years old)
Rani's
grandfather
(70 years old)
  1. How much older is Appu’s grandfather than Rani’s grandfather?
  2. Will Chuchoo’s grandfather ever grow as old as Appu’s grandfather?
  3. How much younger is Chuchoo rat’s grandfather than Rani’s grandfather?
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Solution

  1. Age of elephant Appu’s grandfather = 95 years
    Age of Rani’s grandfather = 70 years.
    So, Appu’s grandfather is (95 - 70) = 25 years older than Rani’s grandfather.
  2. Never.
  3. Age of Rani’s grandfather = 70 years
    Age of Rat’s grandfather = 2 years Difference = 70 – 2 = 68 years
    Hence, Chuchoo rat’s grandfather is 68 years younger than Rani’s grandfather.
Concept: Tick-Tick-Tick
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APPEARS IN

NCERT Mathematics - Math - Magic Class 4 CBSE
Chapter 4 Tick-Tick-Tick
Find out | Q 4 | Page 45
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