MCQ Class 8 Maths Ganita Prakash – II Chapter 3 Proportional Reasoning-2 Advertisement 1. Triangle angles in ratio 1 : 3 : 5. Smallest angle is: 20° 40° 60° 100°Question 1 of 202. Middle angle is: 20° 40° 60° 80°Question 2 of 203. Largest angle is: 80° 90° 100° 120°Question 3 of 204. Sum of angles in a triangle is: 90° 180° 270° 360°Question 4 of 205. Students scored grades 12,10,8,6,4. Total students are: 36 38 40 42Question 5 of 206. HCF of 12,10,8,6,4 is: 1 2 4 6Question 6 of 207. Simplified ratio of 12:10:8:6:4 is: 6:5:4:3:2 3:5:4:3:2 12:5:4:3:2 2:2:2:2:2Question 7 of 208. Angle for first grade slice is: 72° 90° 108° 120°Question 8 of 209. Angle for second grade slice is: 72° 90° 108° 54°Question 9 of 2010. Angle for third grade slice is: 36° 54° 72° 90°Question 10 of 2011. Angle for fourth grade slice is: 36° 54° 72° 108°Question 11 of 2012. Angle for fifth grade slice is: 18° 24° 30° 36°Question 12 of 2013. In direct proportion, if one quantity doubles, the other: Halves Doubles Becomes zero TriplesQuestion 13 of 2014. If 5 workers move 4500 bricks, workers needed for 18000 bricks are: 10 15 20 25Question 14 of 2015. If speed increases for fixed distance, time: Increases Decreases Stays same DoublesQuestion 15 of 2016. At 30 km/h, time taken is 3 hours. At 60 km/h, time is: 1 hour 1.5 hours 2 hours 6 hoursQuestion 16 of 2017. Product of speed and time remains constant in inverse proportion. It equals: Distance Time Ratio AngleQuestion 17 of 2018. If x and y are inversely proportional, xy = 0 Variable Constant FractionQuestion 18 of 2019. 20 workers finish in 4 days. 10 workers take: 2 days 4 days 6 days 8 daysQuestion 19 of 2020. If workers are halved, days become: Half Double Same ZeroQuestion 20 of 20 Loading...
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