# Aptitude - Decimal Fraction

## Why Aptitude Decimal Fraction?

In this section you can learn and practice Aptitude Questions based on "Decimal Fraction" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

## Where can I get Aptitude Decimal Fraction questions and answers with explanation?

IndiaBIX provides you lots of fully solved Aptitude (Decimal Fraction) questions and answers with Explanation. Solved examples with detailed answer description, explanation are given and it would be easy to understand. All students, freshers can download Aptitude Decimal Fraction quiz questions with answers as PDF files and eBooks.

## Where can I get Aptitude Decimal Fraction Interview Questions and Answers (objective type, multiple choice)?

Here you can find objective type Aptitude Decimal Fraction questions and answers for interview and entrance examination. Multiple choice and true or false type questions are also provided.

## How to solve Aptitude Decimal Fraction problems?

You can easily solve all kind of Aptitude questions based on Decimal Fraction by practicing the objective type exercises given below, also get shortcut methods to solve Aptitude Decimal Fraction problems.

### Exercise :: Decimal Fraction - General Questions

1.

 Evaluate : (2.39)2 - (1.61)2 2.39 - 1.61

 A. 2 B. 4 C. 6 D. 8

Explanation:

 Given Expression = a2 - b2 = (a + b)(a - b) = (a + b) = (2.39 + 1.61) = 4. a - b (a - b)

2.

What decimal of an hour is a second ?

 A. 0.0025 B. 0.0256 C. 0.00027 D. 0.000126

Explanation:

 Required decimal = 1 = 1 = .00027 60 x 60 3600

3.

 The value of (0.96)3 - (0.1)3 is: (0.96)2 + 0.096 + (0.1)2

 A. 0.86 B. 0.95 C. 0.97 D. 1.06

Explanation:

Given expression
 = (0.96)3 - (0.1)3 (0.96)2 + (0.96 x 0.1) + (0.1)2
 = a3 - b3 a2 + ab + b2
 = (a - b) = (0.96 - 0.1) = 0.86

4.

 The value of 0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02 is: 0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04

 A. 0.0125 B. 0.125 C. 0.25 D. 0.5

Explanation:

 Given expression = (0.1)3 + (0.02)3 = 1 = 0.125 23 [(0.1)3 + (0.02)3] 8

5.

If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ?

 A. 0.172 B. 1.72 C. 17.2 D. 172

Explanation:

 29.94 = 299.4 1.45 14.5

 = 2994 x 1 [ Here, Substitute 172 in the place of 2994/14.5 ] 14.5 10

 = 172 10

= 17.2