Meghalaya PSC · Mental Ability and Aptitude
Arithmetic — percentages, ratio, time/work, profit/loss.
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Q1 · Numerical Aptitude · MEDIUM
A trader sells an item for ₹1,380 after giving a discount of 8% on the marked price. If he still makes a profit of 15% on the cost price, what is the cost price of the item?
Q2 · Numerical Aptitude · MEDIUM
Mawsynram receives an average annual rainfall of approximately 11,800 mm. If this rainfall were collected uniformly over a field of area 500 square meters, what would be the volume of water collected in one year (in cubic meters)?
Q3 · Numerical Aptitude · HARD
Cherrapunji recorded an annual rainfall of 11,621 mm on average over 48 years. If July alone receives approximately 25.8% of this annual rainfall on average, what is the approximate average rainfall in July?
Q4 · Numerical Aptitude · HARD
A shopkeeper marks his goods 40% above the cost price. If he allows a discount of 25% on the marked price, what is his profit or loss percentage?
Q5 · Numerical Aptitude · MEDIUM
If a shopkeeper sells an article at 20% profit and the cost price is Rs. 450, what is the selling price of the article?