Question 29
Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
16 : 128 :: 18 : 162 :: 22 : ?
Solution
The given expression 16 : 128 :: 18 : 162 :: 22 : ?
then $$16: 16 \times (16\div 2) $$
$$\Rightarrow $$16: 16\times 8 $$
$$\Rightarrow 16 : 128$$
$$18: 18 \times (18 \div 2) $$
$$\Rightarrow 18 \times 9 $$
$$\Rightarrow 18: 162 $$
$$ 22 : 22 \times (22 \div 2) $$
$$\Rightarrow 242 $$
then 22 : 242
therefore ? = 242 Ans
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