Question : A man sold 250 chairs and had a gain equal to the selling price of 50 chairs. His profit percent is:

Option 1: 20%

Option 2:

25%

Option 3:

50%

Option 4:

15%

Question : A shopkeeper marked the selling price of his goods in such a way that after giving a discount of 10% he gains 17%. How much percent above the cost price is the marked price?

Option 1: 36%

Option 2:

27%

Option 3:

30%

Option 4:

40%

Question : If $0°<\theta<90°$ and $2\sec\theta =3 \operatorname{cosec}^2 \theta$, then $\theta$ is:

Option 1: $\frac{\pi}{6}$

Option 2:

$\frac{\pi}{4}$

Option 3:

$\frac{\pi}{3}$

Option 4:

$\frac{\pi}{5}$

Question : By selling 24 items, a shopkeeper gains the selling price of 4 items. His gain percentage is:

Option 1: $16 \frac{1}{3} \%$

Option 2: $20 \%$

Option 3: $33 \frac{1}{3} \%$

Option 4: $16 \frac{2}{3} \%$

Question : If the selling price of 318 articles is equal to the cost price of 212 articles, then what is the loss percentage?

Option 1: $20$

Option 2: $33\frac{1}{3}$

Option 3: $40$

Option 4: $33\frac{2}{3}$