If a, b and c are three natural numbers in ascending order, then 
  • a)
    c2 - a2 >b2
  • b)
    c2 - a2 = b2
  • c)
    c2 - a2 < b2
  • d)
    c2 + a2 = b2
Correct answer is option 'A'. Can you explain this answer?
Related Test: CTET Mock Test - 1

Teaching Question

Ranjitha Venkat answered Jun 14, 2020
Consider a =1 , b =2 , c=3
When you substitute it in the equation , you will get this --> 9 - 1 < 4.="" i.e="" option="" />

With the rest of the equations it won't work , so option a is correct.

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