0
Q:

Consider the following frequency distribution:

x     f

8     6

5     4

6     5

10    8

9     9

4     6

7     4

What is the median for the distribution?

A) 6 B) 7
C) 8 D) 9

Answer:   C) 8



Explanation:
Summation of frequencies = 6+4+5+8+9+6+4 = 42
Median = mid value = average of 21st and 22nd value
Arranging data in increasing order we get

x     f

4     6

5     4

6     5

7     4

8     6

9     9

10    8

 
So mid value i.e 21st and 22nd value = 8
Subject: Average
Exam Prep: Bank Exams
Q:

The average of 6 consecutive integers is 15/2. What is the average of last three integers?

A) 8 B) 9
C) 17/2 D) 7
 
Answer & Explanation Answer: B) 9

Explanation:
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1 1508
Q:

Average of all even numbers between 104 and 148 is __________.

A) 128 B) 130
C) 124 D) 126
 
Answer & Explanation Answer: D) 126

Explanation:
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Exam Prep: Bank Exams

2 1389
Q:

In a one day match of 50 overs in an innings the team A had a run rate of 5.3 runs per over. Team B is playing and 5 overs are left and the required run rate to tie the match is 7.2 per over to match the score of Team A. What is team B's score?

A) 265 B) 238
C) 254 D) 229
 
Answer & Explanation Answer: D) 229

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Exam Prep: Bank Exams

1 1136
Q:

Rita buys 5 sarees at an average cost of Rs 2250. If she buys three more sarees at an average cost of Rs 2750, what will be the average (in Rs) of all the sarees she buys?

A) 2437.5 B) 2500
C) 2450 D) 2332.5
 
Answer & Explanation Answer: A) 2437.5

Explanation:
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Exam Prep: Bank Exams

2 1383
Q:

The average weight of P, Q and R is 71 kg. If the average weight of P and Q be 66 kg and that of Q and R be 76.5 kg, then the weight (in kg) of Q is.

A) 60 B) 72
C) 81 D) 75
 
Answer & Explanation Answer: B) 72

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Exam Prep: Bank Exams

0 1060
Q:

A line cuts the x­axis at the point (­3,0) and the y­axis at the point (0,6). What is the equation of the line?

A) x = 2y + 6 B) y = 2x ­- 6
C) x = 2y -­ 6 D) y = 2x + 6
 
Answer & Explanation Answer: D) y = 2x + 6

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Exam Prep: Bank Exams

0 892
Q:

A factory buys 10 machines. 2 Machine­A, 3 Machine­B and rest Machine­C. Prices of the machines are Rs 95000, Rs 60000 and Rs 50000 respectively. What is the average cost of these machines?

A) 62000 B) 68333
C) 74666 D) 60500
 
Answer & Explanation Answer: A) 62000

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Exam Prep: AIEEE , Bank Exams

0 895
Q:

Two students appeared for an examination. One of them secured 26 marks more than the other and his marks were 75% of the sum of their marks. The marks obtained by them are

A) 53 and 27 B) 60 and 34
C) 39 and 13 D) 78 and 52
 
Answer & Explanation Answer: C) 39 and 13

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