Find A:B:C:D When A:B = 2:3 ; B:C = 7:9

Q12: a:b = 3:7 and b:c = 9:5.

Q13: If x:y = 3:4, then (7x+3y):(7x-3y) is

Q14: Price of each article of type P,

Q15: The ratio of market prices of wheat

Q16: Ajay and Raj together have Rs. 1050.

Q18: Two numbers are in ratio 2:3. If

Q19: The three numbers are in the ratio

Q20: If a:b = 5:7 and c:d =

Q21: By giving Rs. 50 to M, A

Q22: In a library, the ratio of number