# Quantitative Aptitude :: Decimal Fractions Problems And Answers

Decimal Fractions Formulaes

 Quantitative Aptitude Reasoning Programming Verbal Ability

Type 2 To Find the Approximate Value of (?)
Directions (Q. Nos 16 to 25) What Approximate Value should come in place of question mark (?) in the following questions? (Note that you are not expected to calculate the exact value)

21. 16.001 x 11.999 x 99.989 x 0.9 = ?

 A. 17280 B. 19140 C. 21360 D. 24590

22. 475.124 x 15.98 ÷ 8.001 + 33.33 = ?

 A. 983.578 B. 659.121 C. 781.189 D. 656.112

23. (369.99)2 = ?

 A. 1369 B. 1369 x 102 C. 1369 x 103 D. 1369 x 105

24. (36)2 ÷ 0.9 x 15.02 = ?

 A. 21.6 B. 216 C. 21600 D. 2.16

25. 450.271 + 369.422 ÷ 0.03 - 108.612 x 2.001 = ?

 A. 12980 B. 12532 C. 12610 D. 12430

26. If 0.12 ÷ x2 = 12, than x = ?

 A. 0.001 B. 0.01 C. 0.1 D. 1

27. If x/y = 0.3, then (2x - y)/(2x + y) = ?

 A. 0.25 B. 0.5 C. 0.4 D. 0.45

28. (4.5 x 3.7 + 4.5 x 6.3)/(1.5 x 8.4 - 1.5 x 7.4) = ?

 A. 30 B. 30.05 C. 32 D. 34

29. (0.16)2 - (0.12)2 = ?

 A. 0.0011 B. 0.011 C. 11.2 D. 0.0112

30. (0.29)2 - (0.01)2/0.3 = ?

 A. 0.21 B. 0.24 C. 0.28 D. 0.32

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