AVERAGE QUESTIONS IN MATHS

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DOWNLOAD MOBILE APPLICATION TO LEARN MORE: AVERAGE QUESTIONS IN MATHS

Average is the central value of the given data. In Banking, PSTET, CTET, MAT, CET, MAT, CET,MRSAFPI, all Center Govt Exams, and other the State Govt Exams etc. The questions are directly asked from this topic and they are very moderate. On an average 2-3 problems are generally asked in each competitive or entrance exam.

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Table of Contents

The average weight of a class of 20 students is 45 kgs. A new student whose weight is 40 kgs replaces an old student of this class. Hence, the average weight of the whole class decreases by 1 kg. The weight of the replaced student is :
(a) 55 kgs
(b) 50 kgs
(c) 60 kgs
(d) none of these
Three types of rice whose rates are Rs. 38, Rs. 43 and Rs. 49 per kg are blended together to make a 15 kg of new blend of rice in which there are 8 kgs, 4 kgs 3 kgs of the respective types of rice. The average price of the new blend of rice is:
(a) Rs. 41.53
(b) Rs. 43
(c) Rs. 40
(d) Rs. 43.3
123 typists typed 984 papers in 1/15 hour. The number of papers typed per minute by an average typist is:
(a) 1
(b) 2
(c) 3
(d) 5
The average score of Dhoni after 48 innings is 48 and in the 49th innings Dhoni scores 97 runs. In the 50th innings the minimum number of runs required to increase his average score by 2 than it was before the 50th innings:
(a) 99
(b) 149
(c) 151
(d) can’t be determined
In a village the average age of n people is 42 years. But after the verification it was found that the age of a person had been considered 20 years less than the actual age, so the new average, after the correction, increased by 1. The value of n is:
(a) 21
(b) 20
(c) 22
(d) none of these
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The average rainfall in the months of January and February is 6 cm and in the months of March to June is 5 cm and July to October is 10 cm and in the November and December, it is 6 cm. The average rainfall for the whole years is
(a) 7
(b) 5.5
(c) 7.5
(d) none of these
The average age of a family of 6 members 4 year ago was 25 years. Mean while a child was born in this family and still the average age of the whole family is same today. The present age of the child is :
(a) 2 years
(b) 1 1/2years
(c) 1 year
(d) data insufficient
Amitabh’s average expenditure for the January to June is Rs. 4200 and he spends Rs. 1200 in January and Rs. 1500 in July. The average expenditure for the months of February to July is:
(a) Rs. 4250
(b) Rs. 4520
(c) Rs. 4060
(d) none of these
The average of any 5 consecutive odd numbers a, b, c, d, e is :

The average age of 18 pupils of Dronacharya was 25 years. If the age of Dronacharya was also included, the average age of 19 people becomes 26 years. The average age of the Dronacharya at that time was:
(a) 33
(b) 44
(c) 50
(d) 51

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(a) 67.916%
(b) 72.33%
(c) 69.165%
(d) can’t be determined

The average of first 100 natural number is:
(a) 100
(b) 50
(c) 50.50
(d) 55
The average of first 50 odd natural numbers is :
(a) 50
(b) 55
(c) 51
(d) 101
The average of first 99 even numbers is:
(a) 9999
(b) 100
(c) 9801
(d) 9009
The average value of property of Mittal, Ambani and Singhania is Rs. 11111 crore. The property of Singhania is as less as the property of Mittal is greater than the average property of all the three. The value of property of Ambani is :
(a) Rs. 111 crore
(b) Rs. 11111 crore
(c) Rs. 3703.7 crore
(d) can’t be determined
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The average price of 3 diamonds of same weights is Rs. 5 crore, where the average price of the two costliest diamonds is double the price of the cheapest diamond. The price of the cheapest diamond is :
(a) 3 crore
(b) 5 crore
(c) 1.66 crore
(d) can’t be determined
Praveen gets 40 marks out of 50 in Computer Science, 70 out of 100 in Manufacturing science and 142 out of 150 in proffessional communication. The average marks of Praveen (in percent) in all the three subjects is :
(a) 84%
(b) 76%
(c) 71%
(d) 60%
The average of any 5 consecutive odd natural numbers is k. If two more such numbers, just next to the previous 5 numbers are added, the new average becomes :

The average age of 6 servants in my farm house is 28 years. A new and young servant replaces an old servant, then the new average reduces by 1 year, the age of the new servant is:
(a) 26 years
(b) 22 years
(c) 35 years
(d) can’t be determined
The average price of 80 computers in an electronic shop is Rs. 30,000. If the highest and lowest price computers are sold out then the average price of the remaining 78 computers is Rs. 29,500. The cost of the highest price computer is Rs. 80,000. The cost of lowest price computer is :
(a) Rs. 19,000
(b) Rs. 20,000
(c) Rs. 29,000
(d) can’t be determined

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A has 50 coins of 10 paise denominations. While B has 10 coins of 50 paise denominations. C has 20 coins of 25 paise denominations while D has 25 coins of 20 paise denominations. The average number of paise per person is:
(a) 450 paise
(b) 500 paise
(c) 600 paise
(d) can’t be determined
A train normally covers a certain distance at a speed of 60 km/hr. However, if it were to halt for a fixed time interval in each hour its average speed reduced to 50 km/hr. What is the time interval for which the train halt in each hour?
(a) 10 minutes
(b) 20 minutes
(c) 6 minutes
(d) 12 minutes
If p, q, r be three positive numbers such that p>q>r when the smallest number is added to the difference of the rest two numbers, then the average of the resultant number and the original numbers except to the smallest number is 21 more than the average of all the three original numbers. The value of (p – q) is:
(a) 7
(b) 14
(c) 63
(d) 42

(a) 18 years
(b) 35 years
(c) 25 years
(d) none of these
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Directions for questions 25, 26 and 27 Eight years ago there were 5 members in the Arthur’s family and then the average age of the family was 36 years. Mean while Arthur got married and gave birth to a child. Still the average age of his family is same now.

The present age of his wife is:
(a) 25 years
(b) 26 years
(c) 32 years
(d) data insufficient
The age of his wife at the time of his child’s birth was. If the difference between the age of her child and herself was 26 years:
(a) 25 years
(b) 26 years
(c) 20 years
(d) can’t be determined
The age of Arthur at the time of his marriage was:
(a) 22 years
(b) 23 years
(c) 26 years
(d) can’t be determined
Mr. Patel walked 6 km to reach the station from his house, then he boarded a train whose average speed was 60 km/hr and thus he reached his destination. In this way he took total of 3 hours. If the average speed of the entire journey was 32 km/hr then the average speed of walking is:
(a) 3 km/hr
(b) 4.5 km/hr
(c) 4 km/hr
(d) none of these
An artist in a circus moves along the hexagonal path of each side 20 metres in such a way that for the first 20 metres he goes with a speed of 20 m/s and the next 20 metres with a speed of 10 m/s. Similarly he continues for the rest of the hexagonal path with the same alternating speeds i. e., 20 m/s and 10 m/s. The average speed of the artist per round of the circus is :
(a) 13.33 m/s
(b) 23.66 m/s
(c) 39 m/s
(d) 15 m/s
The average of 4 distinct prime numbers a, b, c, d is 35, where a < b < c < d. a and d are equidistant from 36 and b and c are equidistant from 34 and a, b are equidistant from 30 and c and d are equidistant from 40. The difference between a and d is:
(a) 30
(b) 14
(c) 21
(d) can’t be determined
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There are four numbers whose product is 9261000 and each of these four numbers is formed by 3 distinct prime numbers. The average of all the four numbers is:
(a) 61.75
(b) 67.25
(c) 82.33
(d) data insufficient
Mr. Tyagi while going from Meerut to Saharanpur covered half the distance by train at the speed of 96 km/hr then he covered half of the rest distance by his scooter at the speed of 60 km/hr and finally he covered the rest distance at the speed of 40 km/hr by car. The average speed at which Mr Tyagi completed his journey is:
(a) 64 km/hr
(b) 56 km/hr
(c) 60 km/hr
(d) 36 km/hr
There are four types of candidates in our coaching preparing for the CAT. The number of students of Engineering, Science. Commerce and Humanities is 40, 60, 50 and 30 respectively and the respective percentage of students who qualified the CAT is 80 %, 75%, 60% and 50% respectively the overall percentage of successful candidates in our institute is :
(a) 67.77%
(b) 66.66%
(c) 68.5%
(d) none of these
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AVERAGE QUESTIONS IN MATHS

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