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The figure may be labelled as shown. /RRB_NTPC_MT_7_99.2.JPG)
We shall join the centres of all the circles by horizontal and vertical lines and then label the resulting figure as shown. The simplest squares are ABED, BCFE, DEHG, EFIH, GHKJ and HILK i.e. 6 in number. The squares composed of four simple squares are ACIG and DFLJ i.e. 2 in number. Thus, 6 + 2 = 8 squares will be formed.
A certain sum of money becomes Rs. 1922 in 1 year and 2900 in 3 years at certain rate of simple interest. Find the sum of money invested.
The difference between compound and simple interest on a sum of money for 2 years at 4% per annum is Rs. 626. The sum is:
A sofa of MRP 450 is available in Rs.90 cash down payment and 9 monthly equal installment of Rs.45 each. Find the rate of interest per annum.
If the simple interest for 6 years be equal to 60% of the principal. It will be equal to the principal after
The difference between the interest received on a certain sum at the rate of 24% p.a. and 20% p.a. respectively at simple interest for two years is Rs. ...
Rs. 16000 invested for 2 years in a scheme offering compound interest (compounded annually) of 15% p.a. gives an interest that is Rs. 25 less than the i...
An initial principal sum of Rs. 8000, invested by Pranav, accrued interest at a compound rate of 20% annually for a period of 2 years. Subsequently, the...
Vishal has certain sum of money with him. He invested 80% of the sum in scheme ‘X’ offering 15% p.a. simple interest for 8 years and received Rs. 20...
The difference between the compound interest, compounded annually and simple interest on Rs. ‘P’ at the rate of 25% p.a. for 2 years, is Rs. 150. If...
