Scroll:Data Analysis >> Average of a Set of Data >> mcq (2878)


Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.



 

1)  

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 96, how many bars of chocolate does the 6th girl have 







(                    )




2)  

Nandini has 22 boxes of balloons. The average number of balloons for the 22 boxes are 16.
If the average number of balloons for 2 boxes are 1,
how many balloons do the remaining 20 boxes have







(                    )




3)  

The average number of pens 8 boys have is 42.
If the average number of pens 7 boys have is 34, how many pens does the 8th boy have







(                    )




4)  

The average number of sweets 14 children have is 14.
If the average number of sweets 6 children have is 9,
how many sweets do the remaining 8 children have







(                    )




5)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 100, how many bars of chocolate does the 6th girl have 







(                    )




6)  

Chellamal has 12 boxes of balloons. The average number of balloons for the 12 boxes are 17.
If the average number of balloons for 4 boxes are 1,
how many balloons do the remaining 8 boxes have







(                    )




7)  

The average number of pens 8 boys have is 41.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have







(                    )




8)  

The average number of sweets 20 children have is 15.
If the average number of sweets 10 children have is 3,
how many sweets do the remaining 10 children have







(                    )




9)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 90, how many bars of chocolate does the 6th girl have 







(                    )




10)  

Parveen has 26 boxes of balloons. The average number of balloons for the 26 boxes are 12.
If the average number of balloons for 2 boxes are 8,
how many balloons do the remaining 24 boxes have







(                    )




 

1)  

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 96, how many bars of chocolate does the 6th girl have 





Answer: 2



SOLUTION 1 :

Step 1: 105 x 6 = 630

Step 2: 96 x 5 = 480

Step 3: 630 - 480 = 150



2)  

Nandini has 22 boxes of balloons. The average number of balloons for the 22 boxes are 16.
If the average number of balloons for 2 boxes are 1,
how many balloons do the remaining 20 boxes have





Answer: 2



SOLUTION 1 :

Step 1: 16 x 22 = 352

Step 2: 1 x 2 = 2

Step 3: 352 - 2 = 350



3)  

The average number of pens 8 boys have is 42.
If the average number of pens 7 boys have is 34, how many pens does the 8th boy have





Answer: 2



SOLUTION 1 :

Step 1: 42 x 8 = 336

Step 2: 34 x 7 = 238

Step 3: 336 - 238 = 98



4)  

The average number of sweets 14 children have is 14.
If the average number of sweets 6 children have is 9,
how many sweets do the remaining 8 children have





Answer: 1



SOLUTION 1 :

Step 1: 14 x 14 = 196

Step 2: 9 x 6 = 54

Step 3: 196 - 54 = 142



5)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 100, how many bars of chocolate does the 6th girl have 





Answer: 3



SOLUTION 1 :

Step 1: 110 x 6 = 660

Step 2: 100 x 5 = 500

Step 3: 660 - 500 = 160



6)  

Chellamal has 12 boxes of balloons. The average number of balloons for the 12 boxes are 17.
If the average number of balloons for 4 boxes are 1,
how many balloons do the remaining 8 boxes have





Answer: 4



SOLUTION 1 :

Step 1: 17 x 12 = 204

Step 2: 1 x 4 = 4

Step 3: 204 - 4 = 200



7)  

The average number of pens 8 boys have is 41.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have





Answer: 1



SOLUTION 1 :

Step 1: 41 x 8 = 328

Step 2: 38 x 7 = 266

Step 3: 328 - 266 = 62



8)  

The average number of sweets 20 children have is 15.
If the average number of sweets 10 children have is 3,
how many sweets do the remaining 10 children have





Answer: 3



SOLUTION 1 :

Step 1: 15 x 20 = 300

Step 2: 3 x 10 = 30

Step 3: 300 - 30 = 270



9)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 90, how many bars of chocolate does the 6th girl have 





Answer: 3



SOLUTION 1 :

Step 1: 110 x 6 = 660

Step 2: 90 x 5 = 450

Step 3: 660 - 450 = 210



10)  

Parveen has 26 boxes of balloons. The average number of balloons for the 26 boxes are 12.
If the average number of balloons for 2 boxes are 8,
how many balloons do the remaining 24 boxes have





Answer: 4



SOLUTION 1 :

Step 1: 12 x 26 = 312

Step 2: 8 x 2 = 16

Step 3: 312 - 16 = 296