Tiêu đề VIII Maths MS.pdf ✅

MID TERM EXAMINATION 2023-24 SUBJECT : MATHEMATICS MAX. MARKS : 60 CLASS:VIII TIME: 2 Hr.30 Min Marking Scheme Que Solution Marks SECTION-A 1 (b) 0 1 2 (a) the identity for addition of rational numbers. 1 3 (d) 3(x + 3) 1 4 (a) Transposition 1 5 (b) 360° 1 6 (b) 135° 1 7 (c) 41 1 8 (b) 360° 1 9 (b) 10 1 10 (d) m2 -1 , m2+1 1 11 (b) 36, 49 1 12 (a) m3 1 13 (b)8 1 14 (a) 350 km 1 15 (b) 16 1 SECTION-B 16 For correct simplification Ans = 1⁄2 1 1 17 No. of sides= 360 Exterior Angle = 360 24 = 15 OR i) Four sided polygon ii) opposite sides are parallel/equal 1 1⁄2 1⁄2 1,1 18 Total no. of outcomes=3+1+1 Probability= Favourable Outcomes Total no.of outcomes Probability of green sector= 3/5 Probability of non-blue sector = 4/5 1⁄2 1⁄2 1⁄2 1⁄2 19 LCM=90 smallest square number which is divisible by each of the numbers 6, 9 and 15 is = 90× 2 × 5 = 900 OR Correct √31.36 =5.6 1 1 2 20 Discount=840-714=126 Discount%= 126 840 × 100 = 15 1 1 SECTION-C 21 2m−m+1 2 = 3−m+2 3 5m=7 m = 7/5 OR 9t−6−8t−12+12t 12 = 2 3 3t−18 12 = 2 3 t =2 1 1 1 1 1 1 22 x =110 (using appropriate property) y = 40 (using appropriate property) z = 30 (using appropriate property) 1 1 1