Question

a drunkard is walking on a straight road he takes 5 step forward and 3 step backward and so on each step is 1 m long and take one second there is a bit on the road 11 away from the starting point the drum card will fall into the pit after.​

Answer 1

Answer:

37 Units

Explanation:

Answer

time step distance

00 0

1  1  1

2 2  2

3  3  3

4  4  4

5  5  5

6  6  4

7  7  3

8  8  2

9  9  3

10  10  4

11  11  5

12  12  6

13  13  7

14  14  6

15  15  5

16  16  4

17  17  5

18  18  6

19  19  7

20  20  8

21  21  9

22  22  8

23  23  7

24  24  6

25  25  7

26  26  8

27  27  9

28  28  10

29  29  11

30  30  10

31  31  9

32  32  8

33  33  9

34  34  10

35  35  11

36  36  12

37  37  13

Lets call 1 cycle = going forward + coming back

In 1 cycle, he goes 2 steps = 2 m forward

In 1 cycle, he spends time of 8 units

So, in 4 cycles, displacement =8 m, time = 32 units

For 5th cycle, man reaches pit in 5 steps and falls in the pit

So, total time = 32+5=37 units

solution