AFCAT II 2017 Solved Paper

Here, cost price is not equal to selling price because hesells the cloth at 10% loss
Using formula;
‌‌

100+G

100+X

=‌‌

‌TrueScale‌

‌FalseScale‌

Here, overall gain (G) = 15% and Loss (X) = –10% (–vesign for loss)
Let false scale length = l cm
∴‌‌

100+15

100−10

=‌‌

100

l

∴ℓ=‌‌

90

115

×100=78.25cm
∴ Actual length of scale is 78.25 cm instead of 1 meter