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

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