Answer: C) interphase Explanation: Nucleoli are present during Interphase. Chromosomes become visible during Prophase. Centromeres divide and sister chromatids become full-fledged chromosomes during Anaphase. Spindle fibers attach to kinetochores during Prometaphase.

The gold prices in India are determined according to the international market in the following way: - The price of gold in USD is taken as a base price. Depending on the value of indian rupee as compared to USD (eg- 1 USD= ₹63), the price of gold is converted into rupees. - The import duties on gold are added to obtain the final price of gold.   Gold is a global commodity. In the international market, the price of gold is determined by the forces of demand and supply. Higher demand leads to higher price and vice versa. Higher supply leads to lower price and vice versa.

Answer: B) 41 Explanation: Given P = 54 and M = 80 According to the question, Let ‘A’ years ago, M = 3P => M - A/P - A = 3 => 80 - A = 3(54 - A) => 80 - A = 162 - 3A => 2A = 82 => A = 41 Therefore, A = 41 years ago Sweety’s mother was 3 times of Sweety’s age. Hence, at the age S = 13 and M = 39.