# Averages

Average: How to calculate Average, Average Formula, Weighted average, Mean Average, Average Questions with Solutions

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## Online Aptitude Questions with Answers on Averages

Q76. **Five years ago the average of the ages of A and B was 40 years and now the average of the ages of B and C is 48 years. What will be the age of the B ten years hence?**

1.  55 years
2.  56 years
3.  58 years

Q77. **The total marks obtained by a student in Mathematics and Physics is 60 and his score in Chemistry is 20 marks more than that in Physics. Find the average marks scored in Mathamatics and Chemistry together.**

1.  40
2.  30
3.  25

Solution : 40
Q78. **The average weight of a group of persons increased from 48 kg to 51 kg, when two persons weighing 78 kg and 93 kg join the group. Find the initial number of members in the group?**

1.  21
2.  22
3.  23
4.  24

Solution : 23
Q79. **Rs. 6000 is lent out in two parts. One part is lent at 7% p.a simple interest and the other is lent at 10% p.a simple interest. The total interest at the end of one year was Rs. 450. Find the ratio of the amounts lent at the lower rate and higher rate of interest?**

1.  5 : 1
2.  4 : 1
3.  3 : 2
4.  2 : 1

Solution : 5 : 1

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Q80. **A total of 300 chocolates were distributed among 120 boys and girls such that each boy received 2 chocolates and each girl received 3 chocolates. Find the respective number of boys and girls?**

1.  70, 50
2.  60, 60
3.  50, 70
4.  40, 80

Solution : 60, 60
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