Find the missing number: 1/2, 3/4, 5/8, 7/16, 9/32, _______
2018
Find the missing number:
1/2, 3/4, 5/8, 7/16, 9/32, _______
- A.
10/64
- B.
10/46
- C.
11/48
- D.
11/64
Attempted by 161 students.
Show answer & explanation
Correct answer: D
Analyze the numerators: 1, 3, 5, 7, 9... This is an arithmetic sequence increasing by 2. The next numerator is 9 + 2 = 11.
Analyze the denominators: 2, 4, 8, 16, 32... This is a geometric sequence doubling each time. The next denominator is 32 × 2 = 64.
Combine: The missing fraction is 11/64.
Final Answer: Option 4