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Fractions and Decimals

Fractions and Decimals
If 0.12 ÷ x² = 12, than x = ?

0.01
10
0.1
0.001

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.12 ÷ x² = 12 => 0.12/x² = 12=> x² = 0.12/12 = 0.01 => x = 0.1

Fractions and Decimals
Change 75/100 into decimal number.

0.75
75
750
7.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75/100 = 0.75

Fractions and Decimals
Which of the following fraction does not lie between 5/6 and 8/15?

4/5
6/7
3/4
2/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Converting each of the given fractions into decimal form, we get,5/6 = 0.838/15 = 0.532/3 = 0.663/4 = 0.754/5 = 0.86/7 = 0.85Clearly, 0.85 does not lie between 0.83 and 0.53Hence the required fraction is 6/7.

Fractions and Decimals
Correct expression of 6.46 is

646/9
646/99
646/9999
646/999

ANSWER DOWNLOAD EXAMIANS APP

Fractions and Decimals
What will be the value of (25.732)² - (15.732)²

414.64
420.64
416.64
418.64

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Can be easily solved with following formula= (25.732 - 15.732 ) x (25.732 + 15.732)=414.64

Fractions and Decimals
The fraction ( 101 * 27/100000 ) in decimal form is :

1010.0027
10100.027.
101000.27
101.00027

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

101 * 27 / 100000 = 101 + 27 / 100000 = 101 + .00027 = 101.00027.

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