EASY
CAT
IMPORTANT
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The average height of 40 girls out of a class of 50 is 150 cm and that of the remaining girls is 155 cm. The average height of the whole class is

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Important Questions on Average

EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 53
The average weight of 6 persons is increased by 1.5 kg when one of them, whose weight is 60 kg is replaced by a new man. The weight of the new man is
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 54
The average age of three boys is 24 years. If their ages are in the ratio 2:5:5 then the age of the youngest boy is 
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 55
The average age of P, Q, R and S four years ago was 46 years. By including M, the present average age of all the five is 51 years. The present age of M is
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 56
The average salary of 30 workers in an office is ₹1800 per month. If the manager's salary is added, the average salary becomes ₹1900 per month. What is the manager's annual salary?
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 57
If , q, r, s and t are five consecutive even numbers, then their average is
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 58
The average of first five multiples of 7 is
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 59
The average weight of a class of 30 students is 50 kg. If the weight of the teacher be included, the average weight increases by 500 gm. The weight of the teacher is
EASY
CAT
IMPORTANT
How to prepare for Quantitative Aptitude for the CAT>Chapter 5 - Average>Level of Difficulty>Q 60
In a management entrance test, a student scores 3 marks for every correct answer and loses 1 mark for every wrong answer. A student attempts all the 100 questions and scores 160 marks. The number of questions he answered correctly was