A student receives ₹500 as pocket money in January
MATHEMATICS · Subjective · AoPS · Mathematics · Sequences & Series · Sequences & Series
Problem
A student receives ₹500 as pocket money in January. The amount rises by ₹40 every month thereafter.
(i) Write the first four monthly amounts.
(ii) State whether the resulting sequence is an arithmetic progression and find its common difference.
(iii) Calculate the amount the student will receive in the 10th month.