Question

COMPARING QUANTITIES

CLASS VIII

1. If A : B = 5 : 7 and B : C = 6 : 11 then A : B : C is


a) 5 : 7 : 6 b) 30 : 42 : 77 b) 35 : 49 : 42 d) 5 : 6 : 11


2. 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 : 9

3. If 2A = 3B = 4C then A : B : C is

a) 2 : 3 : 4 b) 4 : 3 : 2 c) 6 : 4 : 3 d) 20 : 15 : 2


4. 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) 90


5. The ratio of three numbers is 3 : 4 : 7 and their product is 18144. The numbers are

a) 9, 12, 21 b) 15, 20, 25 c) 18, 24, 42 d) none of these



6. If the ratio 5 :4 expressed as percent , then the percent is

a) 12.5 b) 40 c) 80 d) 120


7. 3.5 can be expressed in percentage as

a) 0.35 b) 3.5 c) 35 d) 350


8. 15% of ₹ 34 is

a) ₹ 3.40 b) ₹.3.75 c) ₹ 4.50 d) ₹ 5.10


9. 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 ​

Answer 1

Answer:

1:a:b=5:7;b=6:11

so,a:b:c=30:42:77

option:b

Answer 2

Answer:

it's not percent it's percentage