The rate of advertisement on a TV channel is directly proportional to the duration of the advertisement. If the rate of an advertisement of 20 seconds is ₹1,25,000, then the rate of an advertisement of 25 seconds will be ₹________.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 1,56,250 .
Rate ∝ Duration
Rate1 / Duration1 = Rate2 / Duration2
125000 / 20 = Rate2 / 25
Rate2 = (125000 × 25) ÷ 20
= 3125000 ÷ 20
= 156250