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Quantitative Aptitude Flashcards

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

Read the first 7 Quantitative Aptitude flashcards as text

  1. The ratio of boys to girls in a school is 5:4. If there are 360 students total, how many girls are there?

    Answer: 160

    Girls = (4/9) × 360 = 160.

  2. A cone has a radius of 7 cm and a height of 24 cm. What is its slant height?

    Answer: 25 cm

    Slant height = √(7² + 24²) = √(49 + 576) = √625 = 25 cm.

  3. If a number is increased by 25% and then decreased by 20%, what is the net percentage change?

    Answer: 0%

    Net = 1.25 × 0.80 = 1.00, so there is no net change (0%).

  4. A can do a job in 10 days, B in 15 days. They work together for 4 days, then B leaves. How many more days does A need to finish?

    Answer: 2 days

    Together for 4 days at rate 3/20 per day = 3/5 done; remaining 2/5 at A's rate (1/10) takes 4 more days.

  5. The compound interest on $5,000 at 10% per annum for 2 years, compounded annually, is:

    Answer: $1,050

    CI = 5000[(1.1)² − 1] = 5000 × 0.21 = $1,050.

  6. How many 3-digit numbers are divisible by 7?

    Answer: 128

    From 105 to 994: count = (994−105)/7 + 1 = 889/7 + 1 = 127 + 1 = 128.

  7. If log₂(x) = 5, what is x?

    Answer: 32

    log₂(x) = 5 means x = 2⁵ = 32.