Rs.13000 was invested for 2 years in scheme A which offers compound interest at 10% per annum. What approximate interest earned on investing the amount obtained from scheme A again in the same scheme for 2 years.
R= 10% Time = 2 yr. (Compound interest) Total interest (Rate%) = 10+10+(10×10)/100 =21% amount obtained from scheme A = 13000 ×(121/100) Interest at earned on investing the amount obtained from scheme A again in the same scheme for 2 years = 13000 ×(121/100) × (21/100) = Rs. 3303.30
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If  3  12  108  x   43200
Then, 47% of (x + 72)= ?
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...Find the value of c.
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...1. In series II, if ‘x’ is the right term, then find which of the following statement(s) are true.
I. x/124 is a factor 6 and 8.
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