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

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

Answer: B

Question. In a line graph, the horizontal line usually shows
(a) Temperature
(b) Rainfall
(c) Months or years
(d) Values

Answer: C

Question. A line graph looks like a smooth curve when there are
(a) No points
(b) Only 2 points
(c) Many data points very close
(d) Only straight lines

Answer: C

Question. One tree's count was noted as 3 more than actual. To find correct total, we should
(a) Add 3
(b) Multiply by 3
(c) Subtract 3
(d) Divide by 3

Answer: C

Question. Number of times a value occurs in data is called its
(a) Mean
(b) Median
(c) Frequency
(d) Total

Answer: C

Question. Average of two even numbers is always
(a) Odd
(b) Even
(c) Prime
(d) Zero

Answer: B

Question. Infographics are used to give information in a way that is
(a) Hard to read
(b) Visually appealing
(c) Only text
(d) Very long

Answer: B

Question. For humans, sleep duration depends on
(a) Age
(b) Lifestyle
(c) Living conditions
(d) All of the options

Answer: D

Question. Digital notebook with rows and columns is called
(a) Word file
(b) Spreadsheet
(c) PPT
(d) Paint

Answer: B

Question. Average sleep time for 6-year olds is about
(a) 5 hours
(b) 8 hours
(c) 9.5 hours
(d) 12 hours

Answer: C

Question. Total distances on both sides of the mean are always
(a) Different
(b) Equal
(c) Double
(d) Zero

Answer: B

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

Answer: C

Question. Line graph that looks like a smooth curve has
(a) No points
(b) Only 2 points
(c) Many points very close
(d) Straight lines only

Answer: C

Question. Removing a value exactly equal to the mean makes the mean
(a) Higher
(b) Lower
(c) Unchanged
(d) Zero

Answer: C

Question. To describe marks from B3 to G3, we use the expression
(a) B3-G3
(b) B3:G3
(c) B3 to G3
(d) B3+G3

Answer: B

Question. In Rice vs Wheat map, +100 means the state prefers
(a) Wheat mostly
(b) Rice mostly
(c) Both equal
(d) No food

Answer: B

Question. Average of two multiples of 5 is always a
(a) Multiple of 2
(b) Multiple of 5
(c) Prime number
(d) Odd number

Answer: B

Question. If we take a centre larger than the mean, distances on the RHS will
(a) Increase
(b) Stay same
(c) Decrease
(d) Double

Answer: C

Question. If every student in class wears uniform shoes that add 1 cm to height, the class average height will
(a) Stay same
(b) Increase by 1 cm
(c) Decrease by 1 cm
(d) Double

Answer: B

Question. In a line graph, the vertical line usually shows
(a) Time
(b) Names
(c) Measured values
(d) Dates

Answer: C