Question

a) none of thes
Q48.
1/x : 1/y: 1/2 = 2:3:5, then x:y:z is equal to?
a)2:3:5 b)15:10:6 c)5:3:2 d)6:10:15
Q49.
If a:(b+c) = 1:3 and c:(a+b) = 5:7 then b:(a+o
a)1:2 b)2:3 c)1:3 d)2:1
Q50. If a:b:c =2:3:4 and 2a-3b+4c = 33 then value
a)6 b)9 c)12 d)66/7
Q51. If p:q:r =1:2:4 then V5p2+q2+r2 is equal to
a)5 b)2q c)5p
c)5p d)4r
Q52. The ratio between the third proportional of
a) 2:1
b)5:1
c)7:15
Q53. Find the two numbers whose mean proport
b)4 and 36 c)3 and 24
a)6 and 8​

Answer 1

Answer:

48. 15:10:2

hope it will be helpful