CBSE Class 8 Mathematics Tales by Dots and Lines MCQs Set 05

Question. Dry months for almost all Indian cities are
(a) June to August
(b) January to March
(c) November
(d) July

Answer: B

Question. If mean is 12 and we take a larger number as centre, the LHS distances will
(a) Decrease
(b) Stay same
(c) Increase
(d) Become zero

Answer: C

Question. Every value is reduced by 1. The mean will
(a) Decrease by 1
(b) Increase by 1
(c) Stay same
(d) Multiply by 1

Answer: A

Question. To find the sum of values from B3 to G3, the formula is
(a) =TOTAL(B3:G3)
(b) =SUM(B3:G3)
(c) =ADD(B3:G3)
(d) =SUM B3 G3

Answer: B

Question. Visual information that is appealing and quick to understand is an
(a) Essay
(b) Infographic
(c) Table
(d) List

Answer: B

Question. Every value in the data is doubled. The average will
(a) Stay same
(b) Become half
(c) Double
(d) Triple

Answer: C

Question. In spreadsheet, rows are labeled as
(a) A, B, C
(b) 1, 2, 3
(c) Plus, Minus
(d) X, Y

Answer: B

Question. Rainfall data is collected over many years and averaged. This is called
(a) Total rainfall
(b) Monthly average rainfall
(c) Daily rain
(d) Summer rain

Answer: B

Question. If we pick a centre smaller than the mean, the distances on the LHS will
(a) Decrease
(b) Increase
(c) Stay same
(d) Become zero

Answer: A

Question. Row headers in a spreadsheet are labelled as
(a) A, B, C
(b) 1, 2, 3
(c) Plus, Minus
(d) X, Y, Z

Answer: B

Question. To find a missing value in a group, we use the sum of weights and the
(a) Names
(b) Average
(c) Median
(d) Height

Answer: B

Question. For any collection of data, how many such balance centres can exist?
(a) Two
(b) Three
(c) Only one
(d) Many

Answer: C

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

Answer: B

Question. Cell at Column E and Row 5 is called
(a) 5E
(b) E5
(c) E+5
(d) Column 5

Answer: B

Question. If every value is multiplied by 5, the new average is
(a) 5 more
(b) 5 times more
(c) Same
(d) 5 less

Answer: B

Question. Kerala temperature trend throughout the year is
(a) Changing a lot
(b) Very cold
(c) Mostly flat
(d) Very hot in winter

Answer: C

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

Answer: C

Question. Average is 25.6 for 15 trees. One value was 3 more than actual. Correct average will
(a) Increase
(b) Decrease
(c) Stay same
(d) Double

Answer: B

Question. For any data collection, how many such balance centres can be there?
(a) Many
(b) Two
(c) Only one
(d) Three

Answer: C

Question. Infographics communicate information in a way that is
(a) Boring
(b) Visually appealing
(c) Very long
(d) Only text

Answer: B