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Differential Aptitude (DAT) Flashcards

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

Read the first 7 Differential Aptitude (DAT) flashcards as text

  1. A gear with 24 teeth meshes with a gear with 8 teeth. If the smaller gear rotates at 120 RPM, how fast does the larger gear rotate?

    Answer: 40 RPM

    Gear ratio = 8/24 = 1/3, so the larger gear rotates at 120 × (1/3) = 40 RPM.

  2. A series: 3, 6, 12, 24, ___. What is the next number?

    Answer: 48

    Each term doubles the previous one, so 24 × 2 = 48.

  3. Which word is most nearly OPPOSITE in meaning to METICULOUS?

    Answer: Careless

    Meticulous means extremely careful and precise; careless is its antonym.

  4. A rectangle has a perimeter of 36 cm. If its length is twice its width, what is its area?

    Answer: 72 cm²

    Width = 6 cm, length = 12 cm, area = 6 × 12 = 72 cm².

  5. A flat piece of paper is folded in half twice, then a triangular notch is cut from the folded corner. When unfolded, how many holes appear?

    Answer: 4

    Folding twice creates 4 layers, so one cut at the corner produces 4 holes when unfolded.

  6. If a train travels 180 miles in 3 hours, how long will it take the same train to travel 300 miles at the same speed?

    Answer: 5 hours

    Speed = 180/3 = 60 mph; time = 300/60 = 5 hours.

  7. Which figure would complete the pattern if the shapes alternate between filled and outlined, and increase in the number of sides by one each step: circle, triangle, square, ___?

    Answer: Pentagon (filled)

    Following the alternating fill pattern and adding one side, the next is a filled pentagon.