Question

1) Which number should be subtracted from 7,12 and 18 such that the resultant numbers
are in continued proportion?
Solution: Let x be subtracted from 7,12 and 18 such that resultant number are in continued
proportion (7- ), (12 - ), (18 - x) are in continued.
= (7 - x)(18 - x)
-24x+x? = 126
24x + 25x = 126
x= -18
5a-b
then find the ratio of
a
7
Solution :
D
4
Sa
5a-b
(Using dividendo)
5a-b​

Answer 1

Answer:

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