The average weight of 8 men is increased by 1.5 kg. When one of the men who weighs 65 kg is replaced by a new man, the weight of new man is

1.  76 kg

2.  76.5 kg

3.  76.7 kg

4.  77 kg

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4
Correct Answer :

77 kg


Explanation :
No Explanation available for this question

The average of 11 observations is 60. If the average of first five observations is 58 and that of the last five is 56, then the sixth observation is

1.  90

2.  110

3.  85

4.  100

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4
Correct Answer :

90


Explanation :
No Explanation available for this question

The average age of 25 students is 10 years. If the teacher’s age is also included, the average age increases by one year. The age of the teacher is

1.  26 years

2.  36 years

3.  46 years

4.  25 years

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4
Correct Answer :

36 years


Explanation :
No Explanation available for this question

The average age of 40 students of a class is 15 years. When 10 new students are admitted, the average is increased by 0.2 year. The average age of the new students is

1.  15.2 years

2.  16 years

3.  16.2 years

4.  16.4 years

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4
Correct Answer :

16 years


Explanation :
No Explanation available for this question

A tin of oil was4/5 full. When six bottles of oil were taken out and four bottles of oil poured into it, it was 3/4 full. How many bottles of oil can the tin contain

1.  10

2.  20

3.  30

4.  40

View Answer  
4
Correct Answer :

40


Explanation :
No Explanation available for this question

The length of the bridge which a train, 130 metres long and travelling at 45 km per hour, can cross in 30 seconds, is

1.  200 m

2.  225 m

3.  245 m

4.  250 m

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4
Correct Answer :

245 m


Explanation :
No Explanation available for this question

A man walking at the rate of 4 km per hour crosses a square field diagonally in 3 minutes. The area of the field is

1.  20,000 m2

2.  25,000 m2

3.  18,000 m2

4.   19,000 m2

View Answer  
4
Correct Answer :

20,000 m2


Explanation :
No Explanation available for this question

The rate at which a sum becomes four times of itself in 15 years at simple interest will be

1.  25%

2.  20%

3.  171/2%

4.  15%

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4
Correct Answer :

20\%


Explanation :
No Explanation available for this question

A sum of money at simple interest amounts to Rs 815 in 3 years and to Rs 854 in 4 years. The sum is

1.  Rs 700

2.   Rs 698

3.  Rs 690

4.  Rs 650

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4
Correct Answer :

Rs 698


Explanation :
No Explanation available for this question

In how many years will a sum of Rs 800 at 10% per annum compounded semi-annually becomes Rs 926.10

1.  2 1/2

2.  1 1/2

3.   2 1/3

4.  1 1/3

View Answer  
4
Correct Answer :

1 1/2


Explanation :
No Explanation available for this question
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