Question

The rate at which a sum becomes four times of itself in 15 years at s.I will be:



select one:



a. 27%



b. 20%



c. 18%



d. 17.2%

Answer 1

Option B

Explanation:

Let sum be x and rate be r%

then, (x*r*15)/100 = 3x [important to note here is that simple interest will be 3x not 4x, beause 3x+x = 4x]

=> r = 20%

Answer 2

Answer:

Explanation:

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HERE IS UR ANSWER

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✔✔20% is the answer.