TalentLens Differential Aptitude (DAT) 3 — Questions and Answers
Question 1: A clerk can file 80 documents per hour. Working at the same rate, how many documents can she file in 45 minutes?
- 60 (Correct answer)
- 40
- 72
- 56
Correct answer: 60
45 minutes = 0.75 hours; 80 × 0.75 = 60 documents.
Question 2: ABACUS : CALCULATION :: COMPASS : ___
- Navigation (Correct answer)
- Drawing
- Construction
- Measurement
Correct answer: Navigation
An abacus is a tool for calculation; a compass is a tool for navigation.
Question 3: A cube has a surface area of 96 cm². What is the length of one edge?
- 4 cm (Correct answer)
- 6 cm
- 8 cm
- 16 cm
Correct answer: 4 cm
A cube has 6 faces; each face area = 96/6 = 16 cm²; edge = √16 = 4 cm.
Question 4: In a mechanical drawing, a broken line (dashed) typically represents:
- Hidden edges (Correct answer)
- Center lines
- Section cuts
- Dimension lines
Correct answer: Hidden edges
In engineering drawings, dashed lines indicate edges or features that are hidden from the current view.
Question 5: Which number is missing? 2, 5, 11, 23, 47, ___
- 94
- 95 (Correct answer)
- 96
- 71
Correct answer: 95
Each term is (previous × 2) + 1: 47 × 2 + 1 = 95.
Question 6: A beam balanced at its center has a 12 kg weight placed 3 m to the left. To maintain balance, a 9 kg weight must be placed how far to the right?
- 4 m (Correct answer)
- 3 m
- 2 m
- 6 m
Correct answer: 4 m
Torque balance: 12 × 3 = 9 × d; d = 36/9 = 4 m.
Question 7: The word EPHEMERAL most nearly means:
- Short-lived (Correct answer)
- Mysterious
- Widespread
- Significant
Correct answer: Short-lived
Ephemeral means lasting for a very short time.
A clerk can file 80 documents per hour.
Working at the same rate, how many documents can she file in 45 minutes?