In an election, A wins over B by a margin of 260 votes, which is 13 % of total number of votes. If 0.5 % of votes are invalid, how many votes were valid?

By selling an article, a man makes a profit of 25% of its selling price. His profit percent is:

• [A] 20%
• [B] 25%
• [C] 16(2/3)
• [D] 33(1/3)%

A man invests equal sums in 6% stock and 8% stock, and gets 10% for his money. The 8% stock is at Rs. 80. What is the price at which he purchased the 6% stock?

• [A] Rs. 60
• [B] Rs. 80
• [C] Rs. 100
• [D] Rs. 120

A and B invest in a business in the ratio 3: 2. If 5% of the total profit goes to charity and A's share is Rs.855, the total profit is:

• [A] Rs.1425
• [B] Rs.1500
• [C] Rs.1537.50
• [D] Rs.1576
• [E] Rs.1640

3 Candidates A, B and C stand for elections. A secures the highest votes and gets 80% more votes than the lowest C. In another round of elections, the percentage of the total votes polled by B remains unchanged, and the same number of people vote. A is now 10% higher than C. C has gained over the previous votes by what percentage?

• [A] 21 ¾ %
• [B] 33 (1/3) %
• [C] 37 ½ %
• [D] Data insufficient

A trader marks his goods 40% above cost price and allows a discount of 25%. The profit he makes is:

• [A] 15%
• [B] 10%
• [C] 5%
• [D] 2%