4 questions

Quantitative Aptitude

25% of 480 is:

  • a.140
  • b.100
  • c.96
  • d.120✓

0.25 x 480 = 120.

Quantitative Aptitude

The average of 10, 20, 30, 40, and 50 is:

  • a.30✓
  • b.25
  • c.40
  • d.35

Sum 150 / 5 = 30.

Quantitative Aptitude

If a sum doubles in 8 years at simple interest, the annual rate is:

  • a.12.5%✓
  • b.8%
  • c.20%
  • d.10%

To double, interest = principal; rate = 100/8 = 12.5% per year.

Quantitative Aptitude

A shirt costing 800 is sold at a 15% profit. The selling price is:

  • a.900
  • b.680
  • c.920✓
  • d.815

800 x 1.15 = 920.

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