What is Ritu's present salary? I. The salary increases every year by 15%. II. Her salary at the time of joining was ₹ 10000. III. She had joined exactly 5 years ago.
(a)I and II only
(b)II and III only
(c)I and III only
(d)All I, II and III
(e)None of these
Answer
Answer (as printed): D
Explanation
From I, II and III, we have Ritu's present salary $=₹\left[10000\left(1+\frac{15}{100}\right)^{5}\right]$. So, all I, II and III are needed to get the answer. ∴ Correct answer is (d).
Explanation as extracted from the printed page; notation may be imperfect.