TalentLens Differential Aptitude (DAT) 3

Question 1

A clerk can file 80 documents per hour. Working at the same rate, how many documents can she file in 45 minutes?

Accepted Answer

60

Answer

45 minutes = 0.75 hours; 80 × 0.75 = 60 documents.

Question 2

ABACUS : CALCULATION :: COMPASS : ___

Accepted Answer

Navigation

Answer

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?

Accepted Answer

4 cm

Answer

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:

Accepted Answer

Hidden edges

Answer

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, ___

Accepted Answer

95

Answer

Each term is (previous × 2) + 1: 47 × 2 + 1 = 95.

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