13
Q:

Of the following, which is greater than ½ ?

Indicate ALL such fractions.

A) 2/5 B) 4/7
C) 4/9 D) 5/11

Answer:   B) 4/7



Explanation:

One way to deal with fractions is to convert them all to decimals. 

In this case all you would need to do is to see which is greater than 0.5.

Otherwise to see which is greater than ½, double the numerator and see if the result is greater than the denominator. In B doubling the numerator gives us 8, which is bigger than 7. 

Subject: Average
Exam Prep: GRE
Q:

In the first 40 overs of a 50 over innings, the run rate was 4.8 runs/over. What is the required run rate in the remaining 10 overs to reach the target of 241 runs?

A) 6.7 B) 6.5
C) 6.3 D) 4.9
 
Answer & Explanation Answer: D) 4.9

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1 1196
Q:

The average of 15 numbers is 7. If the average of the first 8 numbers is 6.5 and the average of the last 8 numbers is 8.5 then middle number is

A) 10 B) 23
C) 13 D) 15
 
Answer & Explanation Answer: D) 15

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1 1209
Q:

The average marks of 40 students in an examination was 25. It was later found that the marks of one student had been wrongly entered as 73 instead of 37. What is the value of correct average?

A) 24.3 B) 24.1
C) 24.5 D) 24.7
 
Answer & Explanation Answer: B) 24.1

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3 1079
Q:

What is the average of first 39 even numbers ?

A) 39 B) 40
C) 20 D) 68
 
Answer & Explanation Answer: B) 40

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8 1964
Q:

The average of four consecutive odd numbers is 64. What is the value of largest number?

A) 65 B) 69
C) 71 D) 67
 
Answer & Explanation Answer: D) 67

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0 1231
Q:

In the first 45 overs of a 50 over innings, the run rate was 5.8 runs per over. What is the required run rate in the remaining overs to reach the target of 295 runs?

A) 6.9 B) 6.8
C) 6.7 D) 6.6
 
Answer & Explanation Answer: B) 6.8

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1 1298
Q:

In a class of 66 students there are 33 girls. The average weight of these girls is 61 Kg and average weight of the full class is 66 kgs. What is the average weight of the boys of the class?

A) 72 B) 73
C) 69 D) 71
 
Answer & Explanation Answer: D) 71

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1 1318
Q:

The average revenues of 7 consecutive years of a company is Rs 75 lakhs. If the average of first 4 years is Rs 70 lakhs and that of last 4 years is Rs 82 lakhs, what will be the revenue for the 4th year.

A) Rs 85 lakhs B) Rs 83 lakhs
C) Rs 81 lakhs D) Rs 79 lakhs
 
Answer & Explanation Answer: B) Rs 83 lakhs

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