RPSC RAS · Reasoning, Mental Ability and Current Affairs
Number series, percentages, ratio, time-work, average, simple interest.
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Q1 · Numerical ability · MEDIUM
A shopkeeper marks an article 40% above its cost price. He then offers a discount of 25% on the marked price and still makes a profit of Rs 60. What is the cost price of the article?
Q2 · Numerical ability · EASY
Find the next term in the series: 5, 11, 23, 47, 95, ?
Q3 · Numerical ability · MEDIUM
A and B together can complete a work in 12 days. B and C together can complete it in 15 days. A and C together can complete it in 20 days. In how many days can A, B and C together complete the work?
Q4 · Numerical ability · EASY
The average of five consecutive odd numbers is 33. What is the largest of these numbers?
Q5 · Numerical ability · HARD
A sum of money amounts to Rs 13,824 in 2 years and Rs 20,736 in 4 years at a certain rate of simple interest per annum. What is the principal amount?