A sum of Rs 700 has to be used to give seven cash prizes to the students of a college for their overall academic performance. If each prize is Rs 20 less than the next higher prize, what is the…
Question and options
A sum of Rs 700 has to be used to give seven cash prizes to the students of a college for their overall academic performance. If each prize is Rs 20 less than the next higher prize, what is the least value of the prize?
- Rs 30
- Rs 40
- Rs 60
- Rs 80
Answer and explanation
Correct answer: B - Rs 40
Prizes form an AP: a, a+20, ..., a+120 summing to 7a + 420 = 700, so a = 40. Least prize Rs 40.
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