Page 83 - Concepts of Reasoning-8

Solution. 1. (a) From the bar graph, it is clear that expenditure on rent is ` 3000.
2. (b) Expenditure on education = ` 2000

Expenditure on clothing = ` 1000
Total expenditure = ` 2000 + ` 1000
= ` 3000
3. (d) Expenditure is minimum on clothing and it is ` 1000.

EXERCISE
EXERCISE

1. The median for the given data is:
1, 2, 3, 4, 5, 6, 7, 8, 9, 10

a. 5 b. 4 c. 5.5 d. 4.5
2. The mean of first five multiples of 3 is:

a. 9 b. 11 c. 8 d. 10
3. If the mean of six numbers 6, 8, 5, 7, x and 4 is 7, then x = ...

a. 10 b. 12 c. 14 d. 11

4. Median of first ten prime numbers is:
a. 10 b. 12 c. 14 d. 11

5. The mode for the following data is:
11, 9, 10, 11, 1, 5, 12, 8, 17, 11, 8, 11, 12

a. 5 b. 8 c. 11 d. 12
6. If the mode of the given data is 9, then find the value of k.

3, 5, 6, 3, 6, 9, 7, 8, 5, 9, k and 4.
a. 3 b. 9 c. 5 d. 6

7. If in a bar graph, 1 cm represents 30 km, then the length of bar needed to represent 75 km is:
a. 3.5 cm b. 2.5 cm c. 2 cm d. 3 cm

8. In a bar graph, the width of bars:

a. have no significance.
b. are proportional to the corresponding heights.
c. are proportional to the corresponding frequencies.

d. are proportional to the space between two consecutive bars.

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