A) Global Warming
C) Immune system
D) None of these
Related MCQs:
- A retailer increases the selling price by 25% due to which his profit percentage increase from 20% to 25%. What is the percentage increase in cost price?
- Village x has a population of 68000 which is decreasing at the rate of 1200 per year. Village y has a population of 42000, which is increasing at the rate of 800 per year. In how many years will the population of two villages be equal?
- A sum of Rs 12500 amounts to Rs. 15500 in the 4 years at the rate of simple interest. Find the rate percent?
- A sum of Rs.12,500 amounts to Rs. 15,500 in 4 years at the rate of simple interest. What is the rate of interest?