CBSE Class 7 Mathematics Connecting the Dots MCQs Set 08

Question. In School B, Grade 8 boys mean height is...
(a) 140 cm,
(b) 156.83 cm,
(c) 130 cm,
(d) 120 cm

Answer: B

Question. In School B, the mean height of Grade 8 boys is...
(a) 140 cm,
(b) 156.83 cm,
(c) 170 cm,
(d) 130 cm

Answer: B

Question. Average height of 19-year-old Indian boys in 1999 was...
(a) 160 cm,
(b) 164.2 cm,
(c) 150 cm,
(d) 170 cm

Answer: B

Question. Average height of 19-year-old Indian girls in 1999 was...
(a) 150 cm,
(b) 152.4 cm,
(c) 160 cm,
(d) 140 cm

Answer: B

Question. To divide a class into two equal height groups, use the...
(a) mean,
(b) median,
(c) maximum,
(d) total

Answer: B

Question. If bar length in a graph does not grow much, the increase is...
(a) very big,
(b) minimal,
(c) double,
(d) triple

Answer: B

Question. In 2019, the average height of Indian children at age 7 was around...
(a) 100 cm,
(b) 118 cm,
(c) 150 cm,
(d) 80 cm

Answer: B

Question. From 1989 to 2019, the average height of Indian children has...
(a) decreased,
(b) increased,
(c) stayed same,
(d) become half

Answer: B

Question. If sections have 15 boys and 15 girls, total students is...
(a) 15,
(b) 30,
(c) 45,
(d) 60

Answer: B

Question. 'Why are heights different in the same grades?' is a question for a...
(a) singer,
(b) data detective,
(c) runner,
(d) dancer

Answer: B

Question. We cannot say all boys are taller than girls by looking at only...
(a) all schools,
(b) one or two schools,
(c) the whole world,
(d) the whole country

Answer: B

Question. West Bengal EV registrations increased many times between 2022 and...
(a) 2020,
(b) 2024,
(c) 2010,
(d) 1990

Answer: B

Question. The average height of a newborn baby is given as...
(a) 100 cm,
(b) 50 cm,
(c) 10 cm,
(d) 80 cm

Answer: B

Question. The city with the most skyscrapers taller than 150m is...
(a) New York,
(b) Hong Kong,
(c) Dubai,
(d) Mumbai

Answer: B

Question. The number of skyscrapers in London is about...
(a) 500,
(b) 46,
(c) 100,
(d) 200

Answer: B

Question. In a graph, starting the vertical line from 145 cm helps give a...
(a) zoomed in look,
(b) blurry look,
(c) far look,
(d) dark look

Answer: A

Question. Making a door using only the average family height is a...
(a) good idea,
(b) bad idea,
(c) great idea,
(d) smart idea

Answer: B

Question. We can see the world's tallest and shortest humans together in a...
(a) movie,
(b) picture,
(c) bus,
(d) school

Answer: B

Question. 'Boys' pocket data varies more than girls' data' is a statement based on...
(a) dot plots,
(b) stories,
(c) dreams,
(d) songs

Answer: A

Question. A building taller than 150m is called a...
(a) hut,
(b) skyscraper,
(c) house,
(d) park

Answer: B