Sasi Math (Revised for 1024)

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.

The average number of sweets 12 children have is 20.
If the average number of sweets 4 children have is 10,
how many sweets do the remaining 8 children have

1) 200
2) 240
3) 10
4) 80

( )

Keerthi has 28 boxes of balloons. The average number of balloons for the 28 boxes are 17.
If the average number of balloons for 2 boxes are 3,
how many balloons do the remaining 26 boxes have

1) 470
2) 84
3) 476
4) 34

( )

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 99, how many bars of chocolate does the 6th girl have

1) 21
2) 6
3) 135
4) 630

( )

The average number of pens 8 boys have is 40.
If the average number of pens 7 boys have is 34, how many pens does the 8th boy have

1) 82
2) 6
3) 48
4) 320

( )

The average number of sweets 14 children have is 10.
If the average number of sweets 4 children have is 6,
how many sweets do the remaining 10 children have

1) 140
2) 116
3) 40
4) 4

( )

Chellamal has 20 boxes of balloons. The average number of balloons for the 20 boxes are 15.
If the average number of balloons for 4 boxes are 4,
how many balloons do the remaining 16 boxes have

1) 60
2) 284
3) 80
4) 300

( )

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 93, how many bars of chocolate does the 6th girl have

1) 660
2) 17
3) 22
4) 195

( )

The average number of pens 8 boys have is 43.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have

1) 344
2) 40
3) 5
4) 78

( )

The average number of sweets 20 children have is 12.
If the average number of sweets 6 children have is 10,
how many sweets do the remaining 14 children have

1) 240
2) 72
3) 2
4) 180

( )

10)

Selvanayaki has 16 boxes of balloons. The average number of balloons for the 16 boxes are 16.
If the average number of balloons for 2 boxes are 8,
how many balloons do the remaining 14 boxes have

1) 256
2) 240
3) 128
4) 32

( )

The average number of sweets 12 children have is 20.
If the average number of sweets 4 children have is 10,
how many sweets do the remaining 8 children have

1) 10
2) 200
3) 240
4) 80

Answer: 2

SOLUTION 1 :

Step 1: 20 x 12 = 240

Step 2: 10 x 4 = 40

Step 3: 240 - 40 = 200

Keerthi has 28 boxes of balloons. The average number of balloons for the 28 boxes are 17.
If the average number of balloons for 2 boxes are 3,
how many balloons do the remaining 26 boxes have

1) 470
2) 34
3) 476
4) 84

Answer: 1

SOLUTION 1 :

Step 1: 17 x 28 = 476

Step 2: 3 x 2 = 6

Step 3: 476 - 6 = 470

The average number of chocolate bars 6 girls have is 105.
If the average number of chocolate bars 5 girls have is 99, how many bars of chocolate does the 6th girl have

1) 21
2) 6
3) 135
4) 630

Answer: 3

SOLUTION 1 :

Step 1: 105 x 6 = 630

Step 2: 99 x 5 = 495

Step 3: 630 - 495 = 135

The average number of pens 8 boys have is 40.
If the average number of pens 7 boys have is 34, how many pens does the 8th boy have

1) 82
2) 6
3) 48
4) 320

Answer: 1

SOLUTION 1 :

Step 1: 40 x 8 = 320

Step 2: 34 x 7 = 238

Step 3: 320 - 238 = 82

The average number of sweets 14 children have is 10.
If the average number of sweets 4 children have is 6,
how many sweets do the remaining 10 children have

1) 140
2) 116
3) 40
4) 4

Answer: 2

SOLUTION 1 :

Step 1: 10 x 14 = 140

Step 2: 6 x 4 = 24

Step 3: 140 - 24 = 116

Chellamal has 20 boxes of balloons. The average number of balloons for the 20 boxes are 15.
If the average number of balloons for 4 boxes are 4,
how many balloons do the remaining 16 boxes have

1) 80
2) 284
3) 60
4) 300

Answer: 2

SOLUTION 1 :

Step 1: 15 x 20 = 300

Step 2: 4 x 4 = 16

Step 3: 300 - 16 = 284

The average number of chocolate bars 6 girls have is 110.
If the average number of chocolate bars 5 girls have is 93, how many bars of chocolate does the 6th girl have

1) 660
2) 22
3) 17
4) 195

Answer: 4

SOLUTION 1 :

Step 1: 110 x 6 = 660

Step 2: 93 x 5 = 465

Step 3: 660 - 465 = 195

The average number of pens 8 boys have is 43.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have

1) 78
2) 40
3) 344
4) 5

Answer: 1

SOLUTION 1 :

Step 1: 43 x 8 = 344

Step 2: 38 x 7 = 266

Step 3: 344 - 266 = 78

The average number of sweets 20 children have is 12.
If the average number of sweets 6 children have is 10,
how many sweets do the remaining 14 children have

1) 240
2) 72
3) 2
4) 180

Answer: 4

SOLUTION 1 :

Step 1: 12 x 20 = 240

Step 2: 10 x 6 = 60

Step 3: 240 - 60 = 180

10)

Selvanayaki has 16 boxes of balloons. The average number of balloons for the 16 boxes are 16.
If the average number of balloons for 2 boxes are 8,
how many balloons do the remaining 14 boxes have

1) 128
2) 256
3) 32
4) 240

Answer: 4

SOLUTION 1 :

Step 1: 16 x 16 = 256

Step 2: 8 x 2 = 16

Step 3: 256 - 16 = 240