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1. C lives on the third numbered floor. 2. Only two persons live between the floors of C and O. 
3. Only one person lives between the floors of M and N. 4. M lives above N. 
5. Only one person lives between the floors of C and D. 6. C lives on one of the floor below the floor of M. 7. P lives on the floor immediately above the floor on which B lives. 
There is no space for P and B in CASE1A so CASE1A is cancelled out. Final arrangement: 
A certain sum of money becomes 6000 in 6 years and Rs. 6240 in 10 years at any certain rate of simple interest. Find the principal amount.
A sum of money will amount to Rs. 640 in 2 year & in 3 year it is to be 720 in compound interest . Find the rate of interest?
Rs. 5000 when invested at simple interest of r% p.a. amounts to Rs. 6000 in 24 months. If the same sum had been invested for 1 year at compound interest...
What will be the ratio of simple interest earned on certain amount at the same rate of interest for 8 years and that for 10 years?
Simple interest received at the rate of 12% p.a. for 6 years on a principal amount of Rs. 8000 is twice of the simple interest received at 10% p.a. for ...
Kamal invested Rs. 6,250 in scheme 'A', which provided a simple interest rate of 13% per annum. After 4 years, he reinvested the entire interest earned ...
sum invested at a certain rate of compound interest, compounded annually amounts to Rs.12,240 after 2 years and amounts to Rs. 17,625.6 after 4 years. I...
A principal of Rs. 'x' is invested at an annual compound interest rate of 30%, compounded yearly, and grows to Rs. 2535 after 2 years. Calculate the sim...
A man invested ₹40,000 in two schemes A and B offering simple interest at the rate of 8% per annum and 10% per annum respectively. If the total intere...
A certain sum gives the interest equals to 3/5th of the sum when invested for 5 years at simple interest. Find the rate of simple interest.
