CBSE Class 8 Mathematics Tales by Dots and Lines MCQs Set 03

Question. Name of the cell in Column B and Row 7 is
(a) 7B
(b) B7
(c) Cell 2
(d) B+7

Answer: B

Question. Preference between rice and wheat in states is shown using a
(a) Line graph
(b) Color scale infographic
(c) Dot plot
(d) Simple list

Answer: B

Question. Average of 8 and 9 is
(a) 8.5
(b) 17
(c) 8
(d) 9

Answer: A

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

Answer: B

Question. Line graphs are generally used to show change over
(a) Distance
(b) Weight
(c) Time
(d) Height

Answer: C

Question. A value of +100 in the rice-wheat infographic means the state prefers
(a) Mostly wheat
(b) Mostly rice
(c) Both equal
(d) No food

Answer: B

Question. On a dot plot, mean is the point where both sides are in
(a) Height
(b) Balance
(c) Color
(d) Line

Answer: B

Question. If a value less than the median is added, the median will
(a) Increase
(b) Stay same
(c) Decrease
(d) Double

Answer: C

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

Answer: B

Question. Mean of 8, 3, 10, 13, 4, 6, 7, 7, 8, 8, 5 is calculated. If every value increases by 10, the new mean
(a) Increases by 10
(b) Stays same
(c) Decreases by 10
(d) Multiplies by 10

Answer: A

Question. The Hex board is usually made of
(a) Squares
(b) Hexagonal cells
(c) Circles
(d) Triangles

Answer: B

Question. In frequency tables, to find the median position, we keep adding the
(a) Values
(b) Frequencies
(c) Names
(d) Columns

Answer: B

Question. Average weight of 10 players is 39.2 kg. The total weight is
(a) 39.2 kg
(b) 392 kg
(c) 349 kg
(d) 430 kg

Answer: B

Question. In any data collection, the total distances on LHS and RHS of the mean are always
(a) Different
(b) Equal
(c) Double
(d) Zero

Answer: B

Question. Manoj records his daily activities using a strip of paper with
(a) 10 boxes
(b) 100 boxes
(c) 48 boxes
(d) 7 boxes

Answer: C

Question. In temperature line graph, the horizontal line shows
(a) Temperature
(b) Months
(c) City name
(d) Rainfall

Answer: B

Question. If a value less than the median is added, the median will
(a) Increase
(b) Stay same
(c) Decrease
(d) Double

Answer: C

Question. In sorted data, median is the
(a) Total
(b) Middle value
(c) Smallest value
(d) Average

Answer: B

Question. A value of +100 in the rice-wheat map means the state prefers
(a) Mostly wheat
(b) Mostly rice
(c) Both equal
(d) No food

Answer: B

Question. To see data change over time, the best choice is a
(a) Dot plot
(b) Line graph
(c) Table
(d) List

Answer: B