RRB RPF RPSF SI and CONS Model Papers 3 with solutions

Question : 27 of 120

Marks: +1, -0

If a commission of 10% is given on the marked price of a work, the publisher gains 20%. If the commission is increased to 15%, the gain present is:

Solution:

∴

Marked price

= { 100 ×120 }/ { 90 } = ± { 400 } /{ 3 }

∴ 85 \%

{ 400 }/ { 3 } = { 400 } /{ 3 }× { 85 }/ { 100 } = ₹ { 340 }/ { 3 }

Gain

= { 340 }/ { 3 } - 100 = { 40 }/ { 3 } = 13 { 1 } /{ 3 } \%

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