Q. निम्नलिखित संख्या श्रेणी में प्रश्नचिन्ह (?) के स्थान पर क्या आएगा ?
6, 42, ? , 1260, 5040, 15120, 30240
6, 42, ? , 1260, 5040, 15120, 30240
✅ Correct Answer: (C)
252
Explanation: 6 × 7 = 42,
42 × 6 = ? ⇒ 42 × 6 = 252
∴ ? = 252
252 × 5 = 1260,
1260 × 4 = 5040,
5040 × 3 = 15120
15120 × 2 = 30240
Explanation by: Tina Singh
6 × 7 = 42,
42 × 6 = ? ⇒ 42 × 6 = 252
∴ ? = 252
252 × 5 = 1260,
1260 × 4 = 5040,
5040 × 3 = 15120
15120 × 2 = 30240
42 × 6 = ? ⇒ 42 × 6 = 252
∴ ? = 252
252 × 5 = 1260,
1260 × 4 = 5040,
5040 × 3 = 15120
15120 × 2 = 30240