Question : Which among the following will be a negative ion?

Option 1: If it has more electron than protons

Option 2: If it has more electrons than neutrons

Option 3: If it has more protons than electrons

Option 4: If it has more protons than neutrons

Question : An article is sold at a certain price. If it is sold at $33 \frac{1}{3}$% of this price, there is a loss of $33 \frac{1}{3}$%. What is the percentage profit if the article is sold at 80% of its original selling price?

Option 1: 60%

Option 2: 50%

Option 3: 70%

Option 4: 40%

Question : $x$ is 5 times longer than $y$. The percentage by which $y$ is less than $x$ is:

Option 1: 50%

Option 2: 40%

Option 3: 80%

Option 4: 70%

Question : A's salary is 50% more than that of B. Then B's salary is less than that of A by:

Option 1: $50$%

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

Option 3: $33\frac{1}{4}$%

Option 4: $44\frac{1}{4}$%

Question : Ramesh sold a book at a loss of 30%. If he had sold it for Rs. 140 more, he would have made a profit of 40%. The cost price of the book is:

Option 1: Rs. 280

Option 2: Rs. 200

Option 3: Rs. 260

Option 4: Rs. 300