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EduGorilla
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Directions: The steps of a staircase leading from floor 1 to floor 2 are numbered as 0, 1,……, M. 0 is on level with floor 1 below and M is on level with floor 2. A robot is positioned at step 0. There are 4 instructions, which the robot obeys.
1.     FORWARD, n    :   Climb up by n steps from current one. If M is reached, stop at M.

2.     BACKWARD, n :   Climb down by n steps from current one. If 0 is reached, stop at 0.
3.     HOP UP, n       :   Climb up n times, taking alternate steps. If M is reached, stop at M.
4.     HOP DOWN, n  :  Climb down n times, taking alternate steps. If 0 is reached stop at 0. If I is reached, stop at 0.

Let step number, before operation = x1, after operation = x2

FORWARD, 5
HOP UP, 2
BACKWARD, 2
If x2 = 10, then which of the following is true?

### Options :-

1. x1 = 6 if M = 12
2. x1 = 3 if M = 10
3. Both (1) and (2)
4. None of these
5. Can't say
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