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Vijay Sharma

· started a discussion

· 1 Months ago

Any short method to this (Question: 286812.0 )

hey any short method for this??

Question:

A certain amount of sum is invested at simple interest. If the sum becomes k times itself in 16 years and 2k times itself in 40 years, in how many year will it become 4k times of itself ?

Options:
A)

96 years

B)

88 years

C)

80 years

D)

64 years

Solution:

Ans: (b)

  

raju

· commented

· 1 Months ago

k 2k 3k 4k
16 40 64 88
it takes 24yrs to become k times

monika yadav

· commented

· 1 Months ago

on your own assume p to be 1 nd solve with basics
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