In the given question, a question is asked and is followed by three statements.While answering the question, you may or may not require the data provided in all the statements.You have to read, the question and the three statements and then decide whether the question can be answered with any one or two of the statements or all the three statements are required to answer the question.Select the correct option.What is the Principal sum ?
(i) The sum amounts to Rs.690 in 3 years at S.I
(ii) The sum amounts to Rs.750 in 5 years at S.I
(iii) The rate of interest is $5 %$ p.a

Both (i) and (iii)

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Both (ii) and (iii)

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Both (i) and (ii)

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Any two of the three

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Solution

The correct option is D Any two of the three
Using $I = P R T$
$I =$ Amount of Interest
$P =$ Principle amount
$R =$ Interest Rate (years)
$T =$ Amount of time (years)
So, we can calculate the principle by any of the two statement by putting its values.

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The correct option is D Any two of the threeUsing I=PRTI= Amount of InterestP= Principle amountR= Interest Rate (years)T= Amount of time (years)So, we can calculate the principle by any of the two statement by putting its values.

The correct option is D Any two of the three
Using $I = P R T$
$I =$ Amount of Interest
$P =$ Principle amount
$R =$ Interest Rate (years)
$T =$ Amount of time (years)
So, we can calculate the principle by any of the two statement by putting its values.