COMPARING QUANTITIES CLASS VIII1. If A : B = 5 : 7 and B : C = 6 : 11 then A : B : C isa) 5 : 7 : 6 b) 30 : 42 : 77 b) 35 : 49 : 42 d) 5 : 6 : 112. If A : B = ½ : 3/8 and B : C = 1/3 : 5/9 and C : D = 5/6 : ¾ then the ratio A : B : C : D is a) 2 : 3 : 4 : 5 b) 3 : 2 : 4 : 5 c) 6 : 8 : 9 : 10 d) 8 : 6 : 10 : 93. If 2A = 3B = 4C then A : B : C is a) 2 : 3 : 4 b) 4 : 3 : 2 c) 6 : 4 : 3 d) 20 : 15 : 24. The ratio of three numbers is 3 : 4 : 5 and the sum of their squares is 1250. The sum of the numbers is a) 30 b) 50 c) 60 d) 905. The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers area) 9, 12, 21 b) 15, 20, 25 c) 18, 24, 42 d) none of these6. If the ratio 5 :4 expressed as percent , then the percent is a) 12.5 b) 40 c) 80 d) 1207. 3.5 can be expressed in percentage as a) 0.35 b) 3.5 c) 35 d) 3508. 15% of ₹ 34 is a) ₹ 3.40 b) ₹.3.75 c) ₹ 4.50 d) ₹ 5.109. What percent of 7.2 kg is 18 grams? a) 0.25% b) 0.025% c) 2.5% d) 25%10. What percent of a day is 3 hours?a) 12.5% b) 16 2/3%Guys please answer these I will follow you in Instagram and mark you the brainliest. Please help me and please answer as quick as possible ​