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 sweets 18 children have is 10.
If the average number of sweets 2 children have is 6,
how many sweets do the remaining 16 children have







(                    )




2)  

Jeevini has 18 boxes of balloons. The average number of balloons for the 18 boxes are 17.
If the average number of balloons for 4 boxes are 10,
how many balloons do the remaining 14 boxes have







(                    )




3)  

The average number of pens 8 boys have is 41.
If the average number of pens 7 boys have is 37, how many pens does the 8th boy have







(                    )




4)  

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 95, how many bars of chocolate does the 6th girl have 







(                    )




5)  

The average number of sweets 12 children have is 16.
If the average number of sweets 10 children have is 7,
how many sweets do the remaining 2 children have







(                    )




6)  

Ponnalagu has 16 boxes of balloons. The average number of balloons for the 16 boxes are 15.
If the average number of balloons for 8 boxes are 8,
how many balloons do the remaining 8 boxes have







(                    )




7)  

The average number of pens 8 boys have is 43.
If the average number of pens 7 boys have is 36, how many pens does the 8th boy have







(                    )




8)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 95, how many bars of chocolate does the 6th girl have 







(                    )




9)  

The average number of sweets 20 children have is 12.
If the average number of sweets 6 children have is 4,
how many sweets do the remaining 14 children have







(                    )




10)  

Chithra has 12 boxes of balloons. The average number of balloons for the 12 boxes are 19.
If the average number of balloons for 6 boxes are 2,
how many balloons do the remaining 6 boxes have







(                    )




 

1)  

The average number of sweets 18 children have is 10.
If the average number of sweets 2 children have is 6,
how many sweets do the remaining 16 children have





Answer: 3



SOLUTION 1 :

Step 1: 10 x 18 = 180

Step 2: 6 x 2 = 12

Step 3: 180 - 12 = 168



2)  

Jeevini has 18 boxes of balloons. The average number of balloons for the 18 boxes are 17.
If the average number of balloons for 4 boxes are 10,
how many balloons do the remaining 14 boxes have





Answer: 3



SOLUTION 1 :

Step 1: 17 x 18 = 306

Step 2: 10 x 4 = 40

Step 3: 306 - 40 = 266



3)  

The average number of pens 8 boys have is 41.
If the average number of pens 7 boys have is 37, how many pens does the 8th boy have





Answer: 1



SOLUTION 1 :

Step 1: 41 x 8 = 328

Step 2: 37 x 7 = 259

Step 3: 328 - 259 = 69



4)  

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 95, how many bars of chocolate does the 6th girl have 





Answer: 4



SOLUTION 1 :

Step 1: 105 x 6 = 630

Step 2: 95 x 5 = 475

Step 3: 630 - 475 = 155



5)  

The average number of sweets 12 children have is 16.
If the average number of sweets 10 children have is 7,
how many sweets do the remaining 2 children have





Answer: 3



SOLUTION 1 :

Step 1: 16 x 12 = 192

Step 2: 7 x 10 = 70

Step 3: 192 - 70 = 122



6)  

Ponnalagu has 16 boxes of balloons. The average number of balloons for the 16 boxes are 15.
If the average number of balloons for 8 boxes are 8,
how many balloons do the remaining 8 boxes have





Answer: 2



SOLUTION 1 :

Step 1: 15 x 16 = 240

Step 2: 8 x 8 = 64

Step 3: 240 - 64 = 176



7)  

The average number of pens 8 boys have is 43.
If the average number of pens 7 boys have is 36, how many pens does the 8th boy have





Answer: 2



SOLUTION 1 :

Step 1: 43 x 8 = 344

Step 2: 36 x 7 = 252

Step 3: 344 - 252 = 92



8)  

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 95, how many bars of chocolate does the 6th girl have 





Answer: 2



SOLUTION 1 :

Step 1: 110 x 6 = 660

Step 2: 95 x 5 = 475

Step 3: 660 - 475 = 185



9)  

The average number of sweets 20 children have is 12.
If the average number of sweets 6 children have is 4,
how many sweets do the remaining 14 children have





Answer: 1



SOLUTION 1 :

Step 1: 12 x 20 = 240

Step 2: 4 x 6 = 24

Step 3: 240 - 24 = 216



10)  

Chithra has 12 boxes of balloons. The average number of balloons for the 12 boxes are 19.
If the average number of balloons for 6 boxes are 2,
how many balloons do the remaining 6 boxes have





Answer: 4



SOLUTION 1 :

Step 1: 19 x 12 = 228

Step 2: 2 x 6 = 12

Step 3: 228 - 12 = 216