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mediumMCQUPTET Paper 2 (Maths & Science)2017Child Development and Pedagogy
1 mark

Five-year-old Mohan has a mental age of eight. What is his IQ?

  1. A
    150
  2. B
    160
  3. C
    140
  4. D
    135

Solution & Step-by-step Explanation

The Intelligence Quotient (IQ) is calculated using the formula:
IQ=
Chronological Age (CA)
Mental Age (MA)
​
×100
Given parameters:

Chronological Age (CA) = 5 years

Mental Age (MA) = 8 years

Substituting values into the formula:

IQ=
5
8
​
×100=8×20=160

Practice this question

Try it yourself before checking the explanation above.

Five-year-old Mohan has a mental age of eight. What is his IQ?
A
150
B
160
C
140
D
135

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