SSC CGL 12 Jun 2019 Shift 1 Paper

Question : 54 of 100

Marks: +1, -0

If a : b = 2 : 3, then (5a - 2b) : (5a + 2b) is equal to:

Solution:

\ {a}/{b}=\ {2 x}/{3 x}

=\ {5 \× 2 x-2 \× 3 x}/{5 \× 2 x+2 \× 3 x}=\ {10 x-6 x}/{10 x+6 x}

=\ {4}/{16}=1: 4

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