Question
The simple interest earned on 2,800 at a rate of 10% per
annum for 3 years is RS x and RS 1,736 is the simple interest earned on RS 6,200 at a rate of 14% for years, then the value of x/y is:Solution
X = (2800×10×3)/100 X =840 Now – 1736 =(6200×14×y)/100 Y = 2 Value of x/y = 840/2=420
Maya deposits Rs. 5,000 in a bank offering 10% p.a. simple interest. In how many months will her investment grow to Rs. 6,000?
If x = 19 and y = 11, then find the value of (y3Â - x3Â + 3x2y - 3y2x) .


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