Question

The taxi fare after each kilometers, when the fare is Rs. 15 for the first kilometer and Rs. 8 for each additional kilometers. Find the total fare for 21 kilometers.​

Answer 1

Answer:

False,because the total fare after each km is 15.

From the question above,

t₁ = 15,

t₂ = 23,

t₃ = 31,

t₄ = 39.

Calculating the difference, we get,

t₂ - t₁ = 23 - 15 = 8

t₃ - t₂ = 31 - 23 = 8

t₄ - t₃ = 39 - 31 = 8

Since, each of the successive terms of the given list have the same difference (d=8).

Therefore, the total fare after each km forms an AP.

Answer 2

First kilometer -15

Other Twenty kilometres -20×8=160

160+15= 315

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