Currency conversions, unitary method and average.
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Q1 · Money and Unitary Method · EASY
A shopkeeper buys 15 pens for Rs 180. At what rate per pen did he buy them?
Q2 · Money and Unitary Method · MEDIUM
The average of five numbers is 48. If one number is excluded, the average of the remaining four numbers becomes 45. What is the excluded number?
Q3 · Money and Unitary Method · MEDIUM
If 12 workers can complete a work in 15 days, how many days will 18 workers take to complete the same work, assuming all workers work at the same rate?
Q4 · Money and Unitary Method · HARD
A sum of money is divided among A, B and C in the ratio 2:3:5. If C receives Rs 1500 more than A, what is the total sum of money?
Q5 · Money and Unitary Method · EASY
If 8 notebooks cost ₹240, what is the cost of 5 such notebooks?