Instructions

Directions:In each of the following questions select the related letters/word/number from the given alternatives.

Question 5

123:36::221:?

Name: 123:36::221:?
Uploaded: March 22, 2021, 9:07 a.m.
Duration: 6 min 20 s
Description: 123:36::221:?

Solution

$$36 = (3+2+1)^{2}$$
Hence missing number will be $$(2+2+1)^{2}$$

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