Choose the correct alternative for the following: 3/8 : 73 :: 7/9 : ______
2019
Choose the correct alternative for the following: 3/8 : 73 :: 7/9 : ______
- A.
165
- B.
265
- C.
130
- D.
256
Attempted by 63 students.
Show answer & explanation
Correct answer: C
Key idea: the number on the right is the square of the numerator plus the square of the denominator.
Step 1: Square the numerator: 7² = 49.
Step 2: Square the denominator: 9² = 81.
Step 3: Add the squares: 49 + 81 = 130.
Answer: 130