(please do without using formula)
  1. if a sum of money placed at c.i doubles itself in 4 yrs. in how many yrs will it be eight times?
  2. Divide Rs.21866 into two parts such that the amount of one in 3 yrs is same as the amount of the second in 5 yrs.The rate of c.i being 5% p.a.

Asked by muskangupta6162 | 15th May, 2016, 06:56: PM

Expert Answer:

Let space Rs space straight P space be space the space amount space of space money space placed space at space CI space doubles space itself space in space 4 space years. At space the space end space of space 4 space years space amount space equals space 2 straight P We space need space to space find space the space number space of space years space required space to space become space the space amount space equals space 8 straight P space equals 2 cross times 2 cross times 2 cross times straight P That space means space we space need space to space find space the space number space of space years space required space to space double space the space money space 3 space times. So space the space number space of space years space equals space 3 space cross times space 4 space equals space 12 space years So space in space 12 space years space the space amount space will space be space 8 space times.
 
 
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Answered by Vijaykumar Wani | 16th May, 2016, 10:56: AM

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