In one year, the population, of a village increased by 10% and in the next year, it decreased by 10%. If at the end of 2nd year, the population was 7920, what was it in the beginning?

Related Mcqs:

1. 5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?

   A. 3800
   B. 4200
   C. 4400
   D. 5500

2. 96% of the population of a village is 23040. The total population of the village is________?

   A. 32256
   B. 24000
   C. 24936
   D. 25640

3. A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?

   A. Rs.25600.24
   B. Rs.32000.50
   C. Rs.18060.36
   D. Rs.18600

4. The population of a town increased from 1,75,000 to 2,62,500 in a decade. The average percent increase of population per year is:________?

   A. 4.37%
   B. 5%
   C. 6%
   D. 8.75%

5. There is a 30% increase in the price of an article in the first year, a 20% decrease in the second year and a 10% increase in the next year. If the final price of the article is Rs. 2288, then what was the price of the article initially?

   A. Rs. 1500
   B. Rs. 1800
   C. Rs. 2000
   D. Rs. 2400
   E. None of these

6. When the numerator of a fraction is decreased by 25% and its denominator is decreased by 20%, the new fraction obtained is 3/4. Find the original fraction?

   A. 5/4
   B. 4/7
   C. 5/6
   D. 6/7
   E. None of these

7. The population of a city increases at the rate of 4% p.a. but there is an additional annual increase of 1% in the population due to some job seekers. The percentage increase in the population after 2 years is_________?

   A. 10
   B. 11
   C. 10.25
   D. 10.15

8. If population of certain city increases at the rate of 5%. If population in 1981 was 138915, then population in 1978 was__________?

   A. 1,20,000
   B. 1,10,000
   C. 1,00,000
   D. 90,000

9. A salt manufacturing company produced a total of 5000 tonnes of salt in January of a particular year. Starting from February its production increased by 100 tonnes every month over the previous months until the end of the year. Find its average monthly production for that year?

   A. 6060
   B. 7070
   C. 5550
   D. 4440

10. A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?

    A. 3.46%
    B. 4.5%
    C. 5%
    D. 6%