Discussion of Question with ID = 074 under Data-Sufficiency

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Question

You have to decide whether the data provided in the statements are sufficient to answer the question. Read the statements and give your answer.

When will the Indian population exceed Chinese population?

  1. Population of China grows at the rate of 10% per decade and that of India at the rate of 15% per decade.
  2. In 1980, Chinese population was 10 cores more than the Indian population.
A

if statement I alone is sufficient but statement II alone is not sufficient.

B

if statement II alone is sufficient but statement I alone is not sufficient.

C

if both statements I and II together are sufficient but neither of statements alone is sufficient.

D

if statements I and II together are not sufficient.

Soln.
Ans: d

Since the population of India as well as China is not given in the year 1980, hence, both the statements are not sufficient to answer the question.


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