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 pens 8 boys have is 40.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have

1) 320
2) 54
3) 16
4) 2

( )

Savithri has 22 boxes of balloons. The average number of balloons for the 22 boxes are 12.
If the average number of balloons for 6 boxes are 4,
how many balloons do the remaining 16 boxes have

1) 240
2) 72
3) 88
4) 264

( )

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

1) 630
2) 21
3) 155
4) 10

( )

The average number of sweets 12 children have is 16.
If the average number of sweets 10 children have is 8,
how many sweets do the remaining 2 children have

1) 192
2) 160
3) 112
4) 8

( )

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

1) 328
2) 4
3) 32
4) 69

( )

Ponnalagu has 30 boxes of balloons. The average number of balloons for the 30 boxes are 17.
If the average number of balloons for 2 boxes are 5,
how many balloons do the remaining 28 boxes have

1) 150
2) 510
3) 34
4) 500

( )

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) 630
3) 135
4) 6

( )

The average number of sweets 12 children have is 14.
If the average number of sweets 4 children have is 5,
how many sweets do the remaining 8 children have

1) 168
2) 148
3) 56
4) 9

( )

The average number of pens 8 boys have is 42.
If the average number of pens 7 boys have is 39, how many pens does the 8th boy have

1) 336
2) 63
3) 3
4) 24

( )

10)

Panimalar has 22 boxes of balloons. The average number of balloons for the 22 boxes are 14.
If the average number of balloons for 4 boxes are 9,
how many balloons do the remaining 18 boxes have

1) 308
2) 272
3) 198
4) 56

( )

The average number of pens 8 boys have is 40.
If the average number of pens 7 boys have is 38, how many pens does the 8th boy have

1) 320
2) 16
3) 54
4) 2

Answer: 3

SOLUTION 1 :

Step 1: 40 x 8 = 320

Step 2: 38 x 7 = 266

Step 3: 320 - 266 = 54

Savithri has 22 boxes of balloons. The average number of balloons for the 22 boxes are 12.
If the average number of balloons for 6 boxes are 4,
how many balloons do the remaining 16 boxes have

1) 72
2) 88
3) 264
4) 240

Answer: 4

SOLUTION 1 :

Step 1: 12 x 22 = 264

Step 2: 4 x 6 = 24

Step 3: 264 - 24 = 240

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

1) 10
2) 155
3) 630
4) 21

Answer: 2

SOLUTION 1 :

Step 1: 105 x 6 = 630

Step 2: 95 x 5 = 475

Step 3: 630 - 475 = 155

The average number of sweets 12 children have is 16.
If the average number of sweets 10 children have is 8,
how many sweets do the remaining 2 children have

1) 8
2) 160
3) 112
4) 192

Answer: 3

SOLUTION 1 :

Step 1: 16 x 12 = 192

Step 2: 8 x 10 = 80

Step 3: 192 - 80 = 112

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

1) 328
2) 4
3) 69
4) 32

Answer: 3

SOLUTION 1 :

Step 1: 41 x 8 = 328

Step 2: 37 x 7 = 259

Step 3: 328 - 259 = 69

Ponnalagu has 30 boxes of balloons. The average number of balloons for the 30 boxes are 17.
If the average number of balloons for 2 boxes are 5,
how many balloons do the remaining 28 boxes have

1) 500
2) 150
3) 510
4) 34

Answer: 1

SOLUTION 1 :

Step 1: 17 x 30 = 510

Step 2: 5 x 2 = 10

Step 3: 510 - 10 = 500

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) 630
2) 135
3) 6
4) 21

Answer: 2

SOLUTION 1 :

Step 1: 105 x 6 = 630

Step 2: 99 x 5 = 495

Step 3: 630 - 495 = 135

The average number of sweets 12 children have is 14.
If the average number of sweets 4 children have is 5,
how many sweets do the remaining 8 children have

1) 148
2) 56
3) 168
4) 9

Answer: 1

SOLUTION 1 :

Step 1: 14 x 12 = 168

Step 2: 5 x 4 = 20

Step 3: 168 - 20 = 148

The average number of pens 8 boys have is 42.
If the average number of pens 7 boys have is 39, how many pens does the 8th boy have

1) 24
2) 3
3) 336
4) 63

Answer: 4

SOLUTION 1 :

Step 1: 42 x 8 = 336

Step 2: 39 x 7 = 273

Step 3: 336 - 273 = 63

10)

Panimalar has 22 boxes of balloons. The average number of balloons for the 22 boxes are 14.
If the average number of balloons for 4 boxes are 9,
how many balloons do the remaining 18 boxes have

1) 198
2) 56
3) 308
4) 272

Answer: 4

SOLUTION 1 :

Step 1: 14 x 22 = 308

Step 2: 9 x 4 = 36

Step 3: 308 - 36 = 272