1.

What will be sum of two numbers? A. Among the two numbers, the bigger number is greater than the smaller number by 6. B. `40%` of the smaller number is equal to `30%` of the bigger number. C. The ratio between half of the bigger number and `1/3rd` of the smaller number is `2:1.`A. Only B and C together are necessaryB. Only A and B together are necessaryC. Out of A, B and C any two together are ncecessaryD. All three A, B and C together are necessary

Answer» Correct Answer - B
A `x-y=6^(2)`
B `0.4y=0.3x x/y=4/3,`
C. `x/2:y/3=2:1`
`x/yxx3/2=2/1impliesx/y=4/3`
B and C give the same expression and hence no need of C statement.
`x=4/3yimpliesx-y=6`
`4/3y-y=6impliesy/3=6`
`y=18and x=4/3xx18=24`


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