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Mathematical Ability - Arithmetic Flashcards

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

Read the first 6 Mathematical Ability - Arithmetic flashcards as text

  1. What is the compound interest on $1,000 at 10% per annum for 2 years?

    Answer: $210

    CI = 1000 × (1.10)² − 1000 = 1210 − 1000 = $210.

  2. A boat goes 30 km upstream in 6 hours and 30 km downstream in 3 hours. What is the boat's speed in still water?

    Answer: 7.5 km/h

    Upstream speed = 5 km/h, downstream speed = 10 km/h; boat speed = (5 + 10)/2 = 7.5 km/h.

  3. In how many ways can 4 people be seated in a row?

    Answer: 24

    Number of arrangements = 4! = 4 × 3 × 2 × 1 = 24.

  4. The HCF and LCM of two numbers are 8 and 48 respectively. If one number is 16, find the other.

    Answer: 24

    Other number = (HCF × LCM) ÷ first number = (8 × 48) ÷ 16 = 24.

  5. A man's salary increased from $3,000 to $3,600. What is the percentage increase?

    Answer: 20%

    Percentage increase = (600/3000) × 100 = 20%.

  6. In a mixture of 60 liters, milk and water are in the ratio 2:1. How much water must be added to make the ratio 1:1?

    Answer: 20 liters

    Milk = 40 L, water = 20 L; adding 20 L of water makes water = 40 L, giving ratio 1:1.

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  1. cets.apsche.ap.gov.in — Eligibility, fees, exam format, passing score, time limit, score validity · verified Oct 2026