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Quantitative Reasoning: Arithmetic Flashcards

12 cards from real NTS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. A shopkeeper offers a 20% discount on an item marked at Rs. 500. What is the selling price?

    Answer: Rs. 400

    Discount = 20% of 500 = Rs. 100. Selling price = 500 - 100 = Rs. 400.

  2. If 8 apples cost Rs. 200, what is the cost of 5 apples?

    Answer: Rs. 125

    Cost per apple = 200/8 = Rs. 25. Cost of 5 apples = 25 × 5 = Rs. 125.

  3. What is 3/5 expressed as a percentage?

    Answer: 60%

    3/5 = (3/5) × 100% = 60%.

  4. A car travels at 80 km/h. How long will it take to cover 320 km?

    Answer: 4 hours

    Time = Distance / Speed = 320 / 80 = 4 hours.

  5. What is the average of 15, 20, 25, 30, and 35?

    Answer: 25

    Average = Sum/Count = (15+20+25+30+35)/5 = 125/5 = 25.

  6. If the HCF of two numbers is 12 and their LCM is 144, and one number is 36, what is the other number?

    Answer: 48

    Product of two numbers = HCF × LCM. So other number = (12 × 144) / 36 = 48.

  7. A father is 4 times as old as his son. If the son is 8 years old, how old will the father be in 5 years?

    Answer: 37

    Father's current age = 4 × 8 = 32. In 5 years: 32 + 5 = 37.

  8. What is the square root of 196?

    Answer: 14

    √196 = 14, because 14 × 14 = 196.

  9. If a dozen eggs cost Rs. 240, what is the cost of 3 eggs?

    Answer: Rs. 60

    Cost per egg = 240/12 = Rs. 20. Cost of 3 eggs = 20 × 3 = Rs. 60.

  10. A tank is 1/3 full. After adding 40 liters, it becomes 2/3 full. What is the total capacity of the tank?

    Answer: 120 liters

    40 liters = 2/3 - 1/3 = 1/3 of the tank. Total capacity = 40 × 3 = 120 liters.

  11. What number is 30% of 250?

    Answer: 75

    30% of 250 = (30/100) × 250 = 75.

  12. Three friends share a bill of Rs. 2,700 in the ratio 2:3:4. How much does the friend with the largest share pay?

    Answer: Rs. 1,200

    Total parts = 2+3+4 = 9. Largest share = (4/9) × 2700 = Rs. 1,200.

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