CBSE Class 8 Mathematics Tales by Dots and Lines MCQs Set 04

Question. If two new students join the class, to find new average we need their
(a) Roll numbers
(b) Heights
(c) Names
(d) Address

Answer: B

Question. Average rainfall along the West Coast is usually
(a) Less
(b) More
(c) Zero
(d) Same as desert

Answer: B

Question. Median of 16 numbers will be the average of
(a) 1st and 16th values
(b) 8th and 9th values
(c) 5th and 6th values
(d) All values

Answer: B

Question. Punjab maximum temperature increases from January to
(a) December
(b) June
(c) July
(d) October

Answer: B

Question. Median is the middle value when the data is
(a) Big
(b) Sorted
(c) Small
(d) Mixed

Answer: B

Question. Sleep duration for humans typically depends on
(a) Only food
(b) Age and lifestyle
(c) Only name
(d) Height only

Answer: B

Question. To find average of marks in cells B7 to D7, formula is
(a) =MEAN(B7:D7)
(b) =AVERAGE(B7:D7)
(c) =AVG(B7:D7)
(d) =TOTAL/3

Answer: B

Question. If every value in the collection is reduced by 1, the mean will
(a) Increase by 1
(b) Stay same
(c) Decrease by 1
(d) Become zero

Answer: C

Question. In a class, 11 students have a family size of 4. Total family members for these 11 students is
(a) 11
(b) 4
(c) 44
(d) 15

Answer: C

Question. A line graph looks like a smooth curve when it has
(a) No data
(b) Only 2 points
(c) Many points close together
(d) Straight lines only

Answer: C

Question. Numbers are 3 and 7. Find their average.
(a) 10
(b) 5
(c) 4
(d) 3

Answer: B

Question. If every value in the collection is doubled, the average will
(a) Stay same
(b) Triple
(c) Become half
(d) Double

Answer: D

Question. In temperature line graph, the vertical line shows
(a) Time
(b) Temperature in Celsius
(c) Months
(d) State name

Answer: B

Question. The small boxes in a spreadsheet are called
(a) Squares
(b) Holes
(c) Cells
(d) Points

Answer: C

Question. As humans grow from children to adults, sleep time typically
(a) Increases
(b) Stays same
(c) Decreases
(d) Double

Answer: C

Question. A new value greater than the earlier median is added. The median will
(a) Increase
(b) Decrease
(c) Stay same
(d) Become zero

Answer: A

Question. Kerala maximum temperature trend is
(a) Changing too much
(b) Mostly flat
(c) Very high in winter
(d) Very low in summer

Answer: B

Question. Formula =AVERAGE(B7:D7) is used to find the
(a) Sum
(b) Mean
(c) Highest
(d) Count

Answer: B

Question. Udupi and Mumbai get most rain in months
(a) Jan to March
(b) June to August
(c) Nov to Dec
(d) Only April

Answer: B

Question. Hex is a strategy game played by
(a) 4 players
(b) 2 players
(c) 10 players
(d) 1 player

Answer: B