CBSE Class 8 Mathematics Tales by Dots and Lines MCQs Set 01

Question. Average weight of 10 players is 39.2 kg. Total weight is
(a) 39.2
(b) 392
(c) 349
(d) 43

Answer: B

Question. If mean of two numbers is 5, it is exactly
(a) Near the big number
(b) Near the small number
(c) Halfway between them
(d) At the end

Answer: C

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

Answer: B

Question. Rameswaram gets peak rainfall in months
(a) June to July
(b) October to December
(c) Jan to Feb
(d) May

Answer: B

Question. On a line graph, the vertical line shows the
(a) Months
(b) Measured value
(c) Years
(d) City names

Answer: B

Question. Adding a value less than the median will make the median
(a) Increase
(b) Stay same
(c) Decrease
(d) Double

Answer: C

Question. If a value smaller than the mean is included, the new mean will be
(a) Higher
(b) Lower
(c) Same
(d) Zero

Answer: B

Question. Average sleep time for 6-year olds is about
(a) 5 hours
(b) 12 hours
(c) 9.5 hours
(d) 7 hours

Answer: C

Question. Mumbai and Udupi are located along the
(a) East coast
(b) North coast
(c) West coast
(d) South coast

Answer: C

Question. In spreadsheet, columns are labeled as
(a) 1, 2, 3
(b) A, B, C
(c) Red, Blue
(d) Sun, Mon

Answer: B

Question. In Punjab, maximum temperature peak is in
(a) January
(b) June
(c) December
(d) October

Answer: B

Question. Rameswaram gets most of its rain during
(a) June to August
(b) April
(c) October to December
(d) January

Answer: C

Question. After age 50, average daily sleep time typically
(a) Decreases
(b) Stops
(c) Increases
(d) Stays at 4 hours

Answer: C

Question. What happens to the mean if a value equal to the mean is removed?
(a) Increases
(b) Decreases
(c) Stays the same
(d) Becomes double

Answer: C

Question. To find the median from a frequency table, we add frequencies
(a) Randomly
(b) Successively
(c) Only once
(d) From middle

Answer: B

Question. On a temperature line graph, horizontal line shows the
(a) Degree Celsius
(b) Time or Months
(c) Height
(d) Rainfall

Answer: B

Question. Dry months for almost all cities in the graph are
(a) June to August
(b) January to March
(c) September
(d) July

Answer: B

Question. From teenage to adulthood, sleep time usually
(a) Increases
(b) Decreases
(c) Stays same
(d) Doubles

Answer: B

Question. In a dot plot, the mean represents the
(a) Corner
(b) Height
(c) Centre
(d) Colour

Answer: C

Question. Total weight of 9 players is 349 kg. Average weight of 10 players is 39.2 kg. The 10th player weight is
(a) 40 kg
(b) 43 kg
(c) 35 kg
(d) 39 kg

Answer: B