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Practice Test: Decimal Fraction - 2 - UPSC MCQ


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5 Questions MCQ Test CSAT Preparation - Practice Test: Decimal Fraction - 2

Practice Test: Decimal Fraction - 2 for UPSC 2024 is part of CSAT Preparation preparation. The Practice Test: Decimal Fraction - 2 questions and answers have been prepared according to the UPSC exam syllabus.The Practice Test: Decimal Fraction - 2 MCQs are made for UPSC 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Practice Test: Decimal Fraction - 2 below.
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Practice Test: Decimal Fraction - 2 - Question 1

When 0.232323..... is converted into a fraction, then the result is:

Detailed Solution for Practice Test: Decimal Fraction - 2 - Question 1

Answer: Option C

Explanation:

Practice Test: Decimal Fraction - 2 - Question 2

Detailed Solution for Practice Test: Decimal Fraction - 2 - Question 2

 

Answer: Option C

Explanation:

Practice Test: Decimal Fraction - 2 - Question 3

The expression (11.98 * 11.98 + 11.98x + 0.02 * 0.02) will be a perfect square for x equal to:

Detailed Solution for Practice Test: Decimal Fraction - 2 - Question 3

Answer: Option C

Explanation:

Given expression = (11.98)2 + (0.02)2 + 11.98 x x.

For the given expression to be a perfect square, we must have

11.98 x x = 2 x 11.98 x 0.02 or x   = 0.04

Practice Test: Decimal Fraction - 2 - Question 4

Detailed Solution for Practice Test: Decimal Fraction - 2 - Question 4

Answer: Option D

Explanation:

Practice Test: Decimal Fraction - 2 - Question 5

3889 + 12.952 - ? = 3854.002

Detailed Solution for Practice Test: Decimal Fraction - 2 - Question 5

Answer: Option D

Explanation:

Let 3889 + 12.952 - x = 3854.002.

Then x = (3889 + 12.952) - 3854.002

   = 3901.952 - 3854.002

   = 47.95.

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