Mathematics
The given diagram represents two sets A and B on real number lines.

(i) Write down A and B in set-builder form.
(ii) Represent A ∪ B, A ∩ B, A' ∩ B, A - B and B - A on separate number lines.
Related Questions
A man invests ₹ 20,020 in buying shares of N.V. ₹ 26 at 10% premium. The dividend on the shares is 15% per annum. Calculate :
(i) the number of shares he buys.
(ii) the dividend he receives annually.
(iii) the rate of interest he gets on his money.
Rohit invested ₹ 9,600 on ₹ 100 shares at ₹ 20 premium paying 8% dividend. Rohit sold the shares when the price rose to ₹ 160. He invested the proceeds (excluding dividend) in 10% ₹ 50 shares at ₹ 40. Find the :
(i) original number of shares.
(ii) sale proceeds.
(iii) new number of shares.
(iv) change in the two dividends.




