Hello Aspirants.

Welcome to Online Quantitative Aptitude Section with explanation in AffairsCloud.com. Here we are creating question sample in **Averages,** which is common for all the SBI,IBPS, RRB exam and other competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!

**The average salary of 90 employees in an organization is Rs.14.500 per month. If the no of executive is twice the no of clerks, then find the average salary of clerk ?**

1.11,500

2.12,000

3.13,200

4.Can’t be determined

5.None of these

###### Answer & Explanation

Answer –**4.Can’t be determined**

**Explanation :**

90 => 2:1=> 60:30

Total Salary = 60*salary of executive +30 * salary of clerk

90*14500 = 60*x+30*y

X, y not given so we can’t determine

**The average value of property of Agil, Mugilan and Anitha is Rs.130cr.The Property of Agil is 20cr greater than the property value of Mugilan and Anitha property value is 50cr greater than the Agil property value. The value of property of Anitha is**

1.120cr

2.170cr

3.100cr

4.150cr

5.None of these

###### Answer & Explanation

Answer –**2.170cr**

**Explanation :**

Property value of Mugilan x

130*3 = x+x+20+x+20+50

390 = 3x+90

3x=300

X=100

Anitha = 100+20+50 = 170

**If the average marks of 1/5**^{th}of class is 70% and 2/5^{th}class is 45% and the average mark of remaining class is 60%, then the average % of the whole class is

1.73%

2.45%

3.62%

4.56%

5.None of these

###### Answer & Explanation

Answer –**4.56**

**Explanation :**

Avg = 100*[x/5 *70/100 + 2x/5 * 45/100 +2x/5*60/100 ] /x

= 70+90+20/5

=56

**The average price of 100 mobiles in an electronic shop is Rs.27,000. If the highest and lowest mobiles are sold out then the remaining 98 mobiles average price is 26,400.The cost of lowest mobile is Rs.18,000.Find the cost of highest mobile price**

1.76500

2.94800

3.96400

4.82000

5.None of these

###### Answer & Explanation

Answer –**2.94800**

**Explanation :**

100*27000 – 98*26400 = 27,00,000 – 25,87,200 = 1,12,800

The cost of highest mobile price = 1,12,800 -18,000 = 94800

**There are 10 compartments in passenger train carries on average 15 passengers per compartment. If atleast 15 passengers were sitting in each compartment, no any compartment has equal no of passengers , and any compartment does not exceed the number of average passengers except 10th compartment.Find how many passengers can be accommodated in 10**^{th}compartment ?

1.38

2.51

3.47

4.50

5.None of these

###### Answer & Explanation

Answer –**2.51**

**Explanation :**

No of passengers = 15*10 = 150

15+14+13+12+11+10+9+8+7 = 99

150 -99 = 51

**There are five times the number of two wheelers as there are three wheelers. The no of four wheelers are equal to the number of two wheelers. Find the average number of wheel per vehicle ?**

1.5

2.4

3.2

4.3

5.None of these

###### Answer & Explanation

Answer –**4.3**

**Explanation :**

No of 3 wheeler = x, no of wheels = 3x

No of 2 wheeler = 5x, no of wheels = 10x

No of 4 wheeler =5x, no of wheels = 20x

Avg = 3x+10x+20x/x+5x+5x = 33x/11x = 3

**In a particular week the average number of people visited the museum is 70. If we exclude the holidays then the average number is increased by 28. Further if we exclude the day which the maximum of 210 visitors visited the museum, then the average become 40.Find the no of holidays in the week**

1.None

2.One

3.Three

4.Two

5.Can’t be determined

###### Answer & Explanation

Answer –**4.Two**

**Explanation :**

Total no of visitors in a week = 70* 7 = 490

X = no of holidays

Exclude hloidays

(7-x)*98 =490

7-x = 5

X = 2

**Arjun gets 62 marks out of 100 in English, 81 out of 120 in Chemistry and 75 out of 150 in maths. The average marks of Arjun(in %) in all the three subjects is**

1.60%

2.53%

3.47%

4.72%

5.None of these

###### Answer & Explanation

Answer –**1.60%**

**Explanation :**

62/100 = 62%

81/120 = 67.5%

75/150 = 50%

Avg = 62+67.5+50/3 = 179.5/3 = 59.8 = 60%

**The average salary of 120 employees in the bank is Rs.15,000 per month. If the no of assistant is thrice the no of POs and average salary of assistant is 1/3**^{rd}of the average salary of POs then find the average salary of POs ?

1.18,000

2.25,000

3.36,000

4.30,000

5.None of these

###### Answer & Explanation

Answer –**4.30,000**

**Explanation :**

120 = 1:3 =30:90 = PO : Assistant

120*15000 = 30*x+ 90 *x/3

18,00,000 = 90x+90x/ 3

54,00,000*3 = 180x

X = 30000

**In a class of 60 students 23 are girls. The average mark of boys is 45 and average mark of girls is 52. What is the average mark of the class?**

1.42.7

2.52.2

3.47.7

4.62.1

5.None of these

###### Answer & Explanation

Answer –**3.47.7**

**Explanation :**

60 students => 23 G and 37 B

Average = 23*52 + 37*45/ 60

= 2965/60 = 47.7

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