Select the option that is related to the third number in the same way as the second number is related to the first number. 52 ∶ 91 : : 72 ∶ ?
| Question | Select the option that is related to the third number in the same way as the second number is related to the first number. 52 ∶ 91 : : 72 ∶ ? | |
| Type | multiple_choice | |
| Option | 138 | incorrect |
| Option | 109 | incorrect |
| Option | 98 | incorrect |
| Option | 126 | correct |
| Solution | The logic followed here is :- Product of extremes = Product of means ⇒a : b = c : d ⇒ ad = bc Given 52 ∶ 91 : : 72 ∶ ? Consider 52 ∶ 91 : : 72 ∶ X ⇒ 52X = 91 × 72 ⇒ 52X = 6552 ⇒ X = 6552/52 ⇒ X = 126 | |