Select the option that is related to the fifth number in the same way as the fourth number is related to the third number and the second number is rel - General Intelligence & Reasoning MCQ Mock Test 2026 | ExamTest.live

easyMCQMock Test2026General Intelligence & Reasoning

1 mark

Select the option that is related to the fifth number in the same way as the fourth number is related to the third number and the second number is related to the first number. 27 : 9 :: 125 : 25 :: 64 : ?

Solution & Step-by-step Explanation

Let's find the relation between the numbers in each pair:First pair: 27 : 9 27 = 3^{3} 9 = 3^{2} Second pair: 125 : 25 125 = 5^{3} 25 = 5^{2} Third pair: 64 : ? 64 = 4^{3} Following the same logic, the missing number must be 4^{2} = 16 .Therefore, the missing number is 16 .

Try it yourself before checking the explanation above.

Select the option that is related to the fifth number in the same way as the fourth number is related to the third number and the second number is related to the first number. 27 : 9 :: 125 : 25 :: 64 : ?

16

23

13

21

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