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

Related Mcqs:

1. 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

2. 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%

3. A city has a population of 300000 out of which 180000 are males 50% of the population is illiterate if 70 % of the males are literate, then the number of literate females is_________?

   A. 24000
   B. 30000
   C. 54000
   D. 60000

4. A boat takes half time in moving a certain distance downstream than upstream. What is the ratio between the rate in still water and rate of current?

   A. 1 : 2
   B. 3 : 1
   C. 2 : 1
   D. 1 : 3

5. A man gets a simple interest of Rs.500 on a certain principal at the rate of 5% p.a in two years. Find the compound interest the man will get on twice the principal in two years at the same rate.

   A. Rs.500
   B. Rs.250
   C. Rs.5012.50
   D. Rs.5062.50
   E. None of these.

6. The simple interest on Rs.12000 at a certain rate of interest in five years is Rs.7200. Find the compound interest on the same amount for five years at the same rate of interest.

   A. Rs.3502.80
   B. Rs.3052.40
   C. Rs.3054.8
   D. Rs.3052.80
   E. None of these

7. A man buys milk at a certain rate per liter and after adding water to it sells the mixture at the same rate. Find in what ration he much mix water to milk so as to gain 20% on his outlay?

   A. 1:5
   B. 1:20
   C. 2:5
   D. 1:6

8. A sum was put a simple interest at a certain rate for 2 years. Had it been put at 4% higher rate, it would have fetched Rs. 60 more. The sum is:________?

   A. Rs.750
   B. Rs.700
   C. Rs.820
   D. Rs.940

9. A sum was put at simple interest at a certain rate for 3 years. Had it been put at 2% higher rate, it would have fetched Rs 360 more. Find the sum.

   A. Rs.4000
   B. Rs.9000
   C. Rs.5000
   D. Rs.6000

10. A sum was put a simple interest at a certain rate for 2 years. Had it been put at 4% higher rate, it would have fetched Rs. 60 more. The sum is:

    A. Rs.750
    B. Rs.700
    C. Rs.940
    D. Rs.820