A man sold 400 (₹ 20) shares of a company, paying 5% at ₹ 18 and invested the proceeds in (₹ 10) shares of another company paying 7% at ₹ 12. How many (₹ 10) shares did he buy and what was the change in his income ?

Two brothers A and B invest ₹ 16,000 each in buying shares of two companies. A buys 3% hundred rupee shares at 80 and B buys ten-rupee shares at par. If they both receive equal dividend at the end of the year, find the rate percent of the dividend received by B.

100, ₹ 100 shares (paying 10% dividend) are brought at a discount of ₹ 20 and another 100, ₹ 100 shares (paying 10% dividend) are brought at ₹ 120. The total dividend earned is :

1. ₹ 00

2. ₹ 2,000

3. ₹ 400

4. ₹ 2,400

The money required, to buy 80 shares, each of ₹ 60 and quoted at ₹ 70, is :

1. ₹ 5600

2. ₹ 4800

3. ₹ 80 × 60 × 70

4. ₹ 4200