Q58 of 106 Page 310

For fixed time period and rate of interest, the simple interest is directly proportional to the principal.

True

For fixed time period (T) and rate of interest(R), the simple interest is directly proportional to the principal.


We know that,


⇒ = Constant (as R and T asre constants)


∴ simple interest is directly proportional to the principal.


More from this chapter

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56

If x varies inversely as y and when x = 6, y = 8, then for x = 8 the value of y is 10.

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The number of workers and the time to complete a job is a case of direct proportion.

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The area of cultivated land and the crop harvested is a case of direct proportion.

 60

Which of the following vary directly and which vary inversely with each other and which are neither of the two?

(i) The time taken by a train to cover a fixed distance and the speed of the train.


(ii) The distance travelled by CNG bus and the amount of CNG used.


(iii) The number of people working and the time to complete a given work.


(iv) Income tax and the income.


(v) Distance travelled by an auto-rickshaw and time taken.