Question

A logical reasoning Q. See image.
Need explanation

Answer 1

25,16,9,4...
16+9=25
9+7=16
4+5=9
We can see that it is reduced by 2..
9,7,5...
hence the next term will be (-3)
4-3=1..
hence the required answer is 1.

hope this helps!!
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Answer 2

Ans. 1
${5}^{2}=25$
${4}^{2} = 16$
${3}^{2} = 9$
${2}^{2} = 4$
${1}^{2} = 1$
5, 4, 3, 2, 1.