Question

In a row of boys facing west Ronald is thirteenth from the left. When shifted to his right by two places, he becomes eighteenth from the right end of the row. How many boys are there in the row?


Choices (With Correct Answers)

32



31



33



Data Inadequate


Chosen Answer(s)
33

Answer 1

Answer:

33 is the answer

13th after shifting he be came 15th

from other side he is 18th

Answer 2

Answer:

Option A is correct, there are 32 boys in a row.

Explanation:

• Ronald is thirteenth from the left, so there are 12 boys in front of him
• When Ronald is shifted to his right, east by two places, he is eighteenth from the right end, so there are 17 boys behind him
• When he is shifted to the right by 2 places, he becomes 15th in position from the left, so now there are 14 on his left side
• Since there are 17 boys on his right, the number of boys other than Ronald is 17+14 = 31
• Counting Ronals, the total number of boys is 31 +1 = 32

There are 32 boys in the row. Option A is correct.

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