Question 13

Find the ODD one out from the given options.

Solution

All are the squares of the number

25-81 = $$5^2-9^2 = 9-5 =4$$

36-100 = $$6^2-10^2 = 10-6 =4$$

16-64 =$$4^2 - 8^2=8-4 =4 $$

49-169 =$$7^2 - 13^2 =13- 7 =6$$

all the first three has same difference

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