Lakshya Education MCQs

Question: The population of a village decreases at the rate of 20% per annum. If its population 2 years ago was 10000, the present population is = ?
Options:
 A. 4600 B. 6400 C. 7600 D. 6000

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Question 1. Rs. 12000 is divided into two parts such that simple interest on the first part for 3 years at 12% per annum may be equal to the simple interest on the second part for $$4\frac{1}{2}$$ years at 16% per annum. The ratio of the first part to the second part is = ?
1.    2 : 1
2.    1 : 2
3.    2 : 3
4.    3 : 2
Question 2. A person who pays income tax at the rate of 4 paise per rupee, find that fall of interest rate (income tax) from 4% to 3.75% diminishes his net yearly income by Rs. 48. What is his capital ?
1.    Rs. 24000
2.    Rs. 25000
3.    Rs. 20000
4.    Rs. 18000
Question 3. A person invests Rs. 12000 as fixed deposit at a bank at the rate of 10% per annum simple interest. But due to some pressing needs he has to withdraw the entire money after three years, for which the bank allowed him a lower rate of interest. If he gets Rs. 3320 less than what he would have got at the end of 5 years, the rate of interest allowed by the bank is = ?
1.    $${\text{7}}\frac{5}{9}$$ %
2.    $${\text{7}}\frac{4}{9}$$ %
3.    $${\text{7}}\frac{8}{9}$$ %
4.    $${\text{8}}\frac{7}{9}$$ %
Question 4. In how much time would the simple interest on a certain sum be 0.125 times the principal at 10% per annum?
1.    $$1\frac{1}{4}$$ years
2.    $$1\frac{3}{4}$$ years
3.    $$2\frac{1}{4}$$ years
4.    $$2\frac{3}{4}$$ years
Question 5. The simple interest on a sum of money at 8% per annum for 6 years is half the sum. The sum is:
1.    Rs. 4800
2.    Rs. 6000
3.    Rs. 8000
2.    $$3\frac{1}{2}$$ years
4.    $$4\frac{1}{2}$$ years