1000+ Ethiopian Bank Entrance Exam Papers with Answers Pdf - 2

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Question: 6

A grocer has a sale of Rs.6435, Rs.6927,Rs.6855, Rs.7230 and Rs.6562 for 5 consecutive months. How much sale must he have in the sixth month so that he gets an average sale of Rs.6500?

(A) Rs.7991

(B) Rs.6991

(D) Rs.4991

View Answer

Ans: D

Sale amount of grocer in the sixth month

= 6 × 6500 - (6435 + 6927 + 6855 + 7230 + 6562)

= 39000 - 34009 = Rs.4991

Question: 7

The average of 25 results is 18, that of first 12 is 14 and of the last 12 is 17. The 13^th result is

(A) 28

(B) 72

(D) 85

View Answer

Ans: C

Total of 25 results = 25 × 18 = 450

Total of first 12 results = 12 × 14 = 168

Total of last 12 results = 12 × 17 = 204

∴ The 13th result = 450 - 168 - 204 = 78.

Question: 8

The arithmetic mean of 100 observations is 24.6 is added to each of the observations and then each of them is multiplied by 2.5. Find the new arithmetic mean.

(A) 30

(B) 35

(D) 75

View Answer

Ans: D

On adding 6, arithmetic mean = 24 + 6 = 30

On multiplying by 2.5, arithmetic mean = 30 × 2.5 = 75.

Question: 9

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

(A) 643

(B) 690

(D) 1929

View Answer

Ans: A

Ritu’s marks = $$875 × {56}/{100}$$ = 490

Smita’s marks = $$875 × {92}/{100}$$ = 805

Rina’s marks = 634

Total marks = 490 + 805 + 634 = 1929

Average = $${1929}/{3}$$ = 643.

Question: 10

The average weight of 36 students is 50 kg. It was found later that the figure of 37 kg was misread as 73 kg. What is the correct average?

(A) 41 kg

(B) 49 kg

(D) 51 kg

View Answer

Ans: B

Correct average

=$${50 × 36 - 73 + 37} / {36}$$ = $${1764} / {36}$$ = 49 kg.

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1000+ Ethiopian Bank Entrance Exam Papers with Answers Pdf - 2

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