SSC CPO 9th Dec 2019 Shift-2 Question 4

Question 4

Four pairs of numbers have been given, out of which three are alike in some manner, while one is different. Choose out the odd one.

Solution

From the given option (A),(C), (D)Ā is to follow the same patternĀ Ā First two digitĀ Ā Multiply by 2Ā  +1 find last two-digit numberĀ 

(A) 19,39Ā Ā 

$$ 19,19\times 2 +1 $$

$$\Rightarrow19, 39 $$

(C) 68, 137

$$ 68, 68\times 2+1 $$

$$\Rightarrow 68, 137 $$

(D) 37,75

$$ 37, 37 \times 2 +1 $$

$$\Rightarrow 37, 75 $$

But B is not follow the above PatternĀ 

(B)25, 53

$$ 25, 25\times 2+1 $$

$$\Rightarrow 25, 52 $$ it is different from the another optionĀ 

therefore Option (B) 25,53 AnsĀ 



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