Question
If a mirror is placed on the line MN, then which of the
answer figures is the right image of the given figures?Solution
The correct mirror image of the provided figure is figure 1 i.e., given below. Â 
If the ratio of the sum invested and simple interest received after 1 year is 25:14 respectively, then find the rate of interest.
A certain sum amounts to Rs. 2000 in 1 year and to Rs. 2420 in 2 years, when invested at R% p.a. compound interest, compounded annually. Find the amount...
‘P’, ‘Q’ and ‘R’, each of them invested Rs. 2000 at the rate of 16% p.a., 24% p.a. and 36% p.a., respectively for 8 years, 3 years and 6 yea...
- A businessman invested Rs. 60,000 in two schemes. One scheme offers 9% p.a., and the other offers 14% p.a. If the total interest earned from both schemes a...
A man, after making the first investment, earned a total interest of Rs. 1,09,200 at the end of 3 years. He invested a certain amount at an annual compo...
A certain amount earns simple interest of Rs. 1420 after 4 years. Had the interest been 5% more, how much more interest would it have earned?
The difference between the compound interest, compounded annually and simple interest on Rs. ‘P’ at the rate of 15% p.a. for 2 years, is Rs. 90. If ...
A and B started a business with initial investments of Rs. 28000 and Rs. 30000 respectively. After one year, a profit of Rs. 5800 is earned. A being a w...
- A sum of money placed at simple interest becomes Rs. 14,400 in 4 years and Rs. 18,000 in 7 years. What is the initial amount invested?
An amount of 'a' is invested at an annual interest rate of 18% with simple interest, and another amount of 'a + 750' is invested at an annual interest...
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