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

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