If 16 A 13 B 6 C 9 = 85 and 15 A 20 B 7 C 30 = 125, then 10 A 15 B 6 C 20 = ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 80.
From 16 A 13 B 6 C 9 = 85, we get-
→ 16 + 13 × 6 - 9 = 85
→ 16 + 78 - 9 = 85
→ 94 - 9 = 85
→ 85 = 85
From 15 A 20 B 7 C 30 = 125, we get-
→ 15 + 20 × 7 - 30 = 125
→ 15 + 140 - 30 = 125
→ 155 - 30 = 125
→ 125 = 125
So, 'A' means '+' , 'B' means '×' and C means '-'.
Similarly for 10 A 15 B 6 C 20 = ?, we get-
→ 10 + 15 × 6 - 20 = ?
→ 10 + 90 - 20 = ?
→ 100 - 20 = ?
→ 80 = 80
Hence, the correct answer is 80.