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# Decimal Fractions MCQ Test

## 5 Questions MCQ Test UPSC Prelims Paper 2 CSAT - Quant, Verbal & Decision Making | Decimal Fractions MCQ Test

Description
This mock test of Decimal Fractions MCQ Test for UPSC helps you for every UPSC entrance exam. This contains 5 Multiple Choice Questions for UPSC Decimal Fractions MCQ Test (mcq) to study with solutions a complete question bank. The solved questions answers in this Decimal Fractions MCQ Test quiz give you a good mix of easy questions and tough questions. UPSC students definitely take this Decimal Fractions MCQ Test exercise for a better result in the exam. You can find other Decimal Fractions MCQ Test extra questions, long questions & short questions for UPSC on EduRev as well by searching above.
QUESTION: 1

Solution:

Explanation:

QUESTION: 2
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QUESTION: 3

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

Solution:

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

QUESTION: 4

Solution:

Explanation:

QUESTION: 5

3889 + 12.952 - ? = 3854.002

Solution:

Explanation:

Let 3889 + 12.952 - x = 3854.002.

Then x = (3889 + 12.952) - 3854.002

= 3901.952 - 3854.002

= 47.95.