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Numerical Ability
Ratio and Proportion
The least whole number which when subtracted from both the terms of the ratio 6 : 7 to give a ratio less than 16 : 21, is?
Option
a) 3
b) 4
c) 5
d) 6
Read Solution (Total 3)
-
- Let x be subtracted. Then,
6 - x
7 - x
<
16
21
21 (6 - x) < 16 (7 - x)
5x > 14
x > 2.8
Least such whole number is 3.
- 10 years agoHelpfull: Yes(45) No(0)
- Let x be subtracted. Then,
(6 - x)/(7 - x) < 16/21
=> 21 (6 - x) < 16 (7 - x)
=> 5x > 14
=> x > 2.8
So, Answer is 3. - 10 years agoHelpfull: Yes(7) No(0)
- 3
is the ans - 10 years agoHelpfull: Yes(0) No(0)
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