CBSE Class 8 Mathematics Proportional Reasoning 2 MCQs Set B

Question. Hindi books in that library will be
(a) 96
(b) 192
(c) 288
(d) 64

Answer: B

Question. Units of cement needed for 110 units concrete will be
(a) 10
(b) 20
(c) 30
(d) 60

Answer: B

Question. Special purple shade is Red : Blue : White as 2 : 3 : 5. White is how many parts?
(a) 2 parts
(b) 3 parts
(c) 5 parts
(d) 10 parts

Answer: C

Question. In many maps, you will see a ratio in the
(a) Upper left corner
(b) Middle
(c) Lower right corner
(d) Back side

Answer: C

Question. Traveling Lucknow to Kanpur. If speed is more, time is
(a) More
(b) Less
(c) Same
(d) Double

Answer: B

Question. To find actual distance between two cities on a map, we use a
(a) Pencil
(b) Pen
(c) Ruler
(d) Compass

Answer: C

Question. Blue paint is 3 parts. Litres will be
(a) 3 litres
(b) 6 litres
(c) 9 litres
(d) 10 litres

Answer: B

Question. Angle B in that same triangle is
(a) 20 degrees
(b) 40 degrees
(c) 60 degrees
(d) 100 degrees

Answer: C

Question. When quantities change by the same factor, the relationship is
(a) Proportional
(b) Inverse
(c) Addition
(d) Nothing

Answer: A

Question. Constant value k in speed-time table for Kanpur trip is
(a) 30
(b) 60
(c) 90
(d) 18

Answer: C

Question. Speed and time taken are in
(a) Direct proportion
(b) Inverse proportion
(c) No relation
(d) Same proportion

Answer: B

Question. Food for 80 students lasts 15 days. If students become 100, food lasts
(a) 15 days
(b) 12 days
(c) 10 days
(d) 20 days

Answer: B

Question. Visualisations like these show different proportions of a whole
(a) Bar graphs
(b) Pie charts
(c) Line graphs
(d) Dots

Answer: B

Question. Total volume of purple paint (4L red + 6L blue + 10L white) is
(a) 10 litres
(b) 15 litres
(c) 20 litres
(d) 25 litres

Answer: C

Question. If map ratio is 1:50, 1 cm on map means how many cm in class?
(a) 1 cm
(b) 50 cm
(c) 100 cm
(d) 5 cm

Answer: B

Question. Speed 15 km/h takes 6 hours. Speed 30 km/h takes
(a) 12 hours
(b) 3 hours
(c) 6 hours
(d) 1 hour

Answer: B

Question. RF is a short name for
(a) Real Fraction
(b) Representative Fraction
(c) Radio Frequency
(d) Ratio Find

Answer: B

Question. Yasmin has 10 litres of white paint. If 5 parts is 10 litres, 1 part is
(a) 1 litre
(b) 2 litres
(c) 5 litres
(d) 10 litres

Answer: B

Question. Sum of angles in a triangle is always
(a) 90 degrees
(b) 180 degrees
(c) 360 degrees
(d) 100 degrees

Answer: B

Question. 100 coins in ratio 4 : 3 : 2 : 1 for denominations Rs 10, 5, 2, 1. Total parts?
(a) 10
(b) 20
(c) 100
(d) 5

Answer: A