Find the missing number in the series: 2, 7, 24, 77, ?, 783 MCQ with Answer and Explanation

Explanation:
Pattern n³+1: 1³+1=2, 2³+1=9, 3³+1=28, 4³+1=65, 5³+1=126, 6³+1=217. All fit. No odd. Wait, all follow. Perhaps 2=1³+1,9=2³+1 yes. Maybe different series. For odd, perhaps one that does not fit a different pattern.

Explanation:
Start facing South 5 km, turn right (West) 3 km, turn left (South) 5 km. Final position is 10 km South and 3 km West of start, i.e., South-West.

Explanation:
Each term is double plus 1: 1×2+1=3, 3×2+1=7, 7×2+1=15, 15×2+1=31, so next is 31×2+1=63.