Very useful questions for Data Over Years Questions For CAT Most important questions for CAT data interpretation and data over previous year logical questions and answers

**Data Over Years Questions for CAT:**

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**Instructions:**

The following table gives the national income and the population of a country for the years 1984 â€“ 85 to 1989 â€“ 90. For each of the following questions choose the best alternative:

**Question 1:**

The increase in the per capita income compared to the previous year is lowest for the year :

a) 1985-86

b) 1986-87

c) 1987-88

d) 1989-90

**Question 2:**

The per capita income is highest for the year :

a) 1984-85

b) 1985-86

c) 1987-88

d) 1989-90

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**Question 3:**

The difference between the percentage increase in per capita income and the percentage increase in the population compared to the previous year is highest for the year:

a) 1985-86

b) 1986-87

c) 1987-88

d) 1988-89

**Question 4:**

The rate of increase in population was lowest in the year:

a) 1985-86

b) 1987-88

c) 1989-90

d) None of these

**Question 5:**

Increase in the per capita income compared to the previous year among the years given below was highest for the year:

a) 1985-86

b) 1986-87

c) 1987-88

d) 1988-89

**Answers and Solutions for Average Questions For Bank Clerk:**

**Solutions :**

**1)** Answer (B)

For increment in 1986-87, denominator is increased by 2 whereas in every other year it is either increased by 1 or 1.5

Since numerator has increased by 30, which is similar to that of other years, we can say lowest increment occur in the year 1986-1987.

**2)** Answer (D)

The per capita of each of the following years is given below.

1984-85 is Rs. 3,098

1985-86 is Rs. 3,482

1986-87 is Rs. 3,786

1987-88 is Rs. 4,203

1988-89 is Rs. 4,857

1989-90 is Rs. 5,319

Hence, the percapita income is highest for the year 1989-90

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**3)** Answer (D)

The per capita of each of the following years is given below.

1984-85 is Rs. 3,098

1985-86 is Rs. 3,482 (increased by 12.42%)

1986-87 is Rs. 3,786 (increased by 8.73%)

1987-88 is Rs. 4,203 (increased by 11.00%)

1988-89 is Rs. 4,857 (increased by 15.55%)

1989-90 is Rs. 5,339 (increased by 9.92%)

The percentage increase in population over the years is fairly constant and varied between 1% and 2%. But the percentage increase in GDP per capita in the year 1988-89 is significantly higher. Hence, the correct answer is 1988-89

**4)** Answer (A)

The population increase for the year 1985-86 from the year 1984-85 is just one crore.

In every other year, the population increase was either 1.5 crore of 2 crores.

Note that the denominators for each of the years (ie total population) is fairly same.

Hence, the correct answer is 1985-86

**5)** Answer (D)

The per capita of each of the following years is given below.

1984-85 is Rs. 3,098

1985-86 is Rs. 3,482 (increased by Rs. 384)

1986-87 is Rs. 3,786 (increased by Rs. 304)

1987-88 is Rs. 4,203 (increased by Rs. 416)

1988-89 is Rs. 4,857 (increased by Rs. 653)

1989-90 is Rs. 5,339 (increased by Rs. 481)

Hence, the increase is highest for the year 1988-89