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Fractions and Decimals

Fractions and Decimals
What decimal of an hour is a second

0.0027
0.0026
0.0025
0.0028

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1 / (60 * 60) = 1 / 3600 = .0027

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

10100.027.
101000.27
101.00027
1010.0027

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Fractions and Decimals
(.23 - .023) / ( .0023 / 23 ) = ?

2070
207
2077
2770

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression = (.23 - .023) / ( .0023 / 23 ) = .207 / (.0023 / 23) = .207 / .0001=.2070 / .0001 = 2070

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

414.64
418.64
416.64
420.64

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 place value of 3 in 0.07359 is ?

0.003
0.3
0.03
0.0003

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

The place value of 3 in the given decimal fraction is .003 i.e. 3/1000.

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

0.01
0.1
0.001
10

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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