Arithmetic-Basic Statistics (Bank-PO Quantitative-Aptitude): Questions 1 - 4 of 4

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Question number: 1

» Arithmetic » Basic Statistics

MCQ▾

Question

In an entrance exam Ritu scored 56 percent marks, Smita scored 92 % and Rina scored 634 marks. The maximum marks of the examination was 875. What is the average marks scored by all the three girls together?

(IBPS PO 2011)

Choices

Choice (4) Response

a.

815

b.

1929

c.

643

d.

690

Question number: 2

» Arithmetic » Basic Statistics

MCQ▾

Question

The average age of number of students in a class is 15 years. The average age of boys are 15.5 years and average age girls are 13.5 years. Find the ratio of boys to girls.

Choices

Choice (4) Response

a.

1: 3

b.

3: 1

c.

1: 5

d.

5: 1

Question number: 3

» Arithmetic » Basic Statistics

MCQ▾

Question

Few people from a group decided to go for a movie. The average age of them were 18 years. After a while 15 more decided to join them with average of 22 years. The new average age changed to 20 years. How many people initially planned to go?

Choices

Choice (4) Response

a.

20

b.

15

c.

10

d.

25

Question number: 4

» Arithmetic » Basic Statistics

MCQ▾

Question

The average of 9 results is 80. Average of first five results is 75 and of last five is 70. Find the fifth result.

Choices

Choice (4) Response

a.

4

b.

2

c.

3

d.

5

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