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Fractions and Decimals

Fractions and Decimals
3.5 + 21 x 1.3 = ?

28.8
30.8
26.8
24.8

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = 30.8

Fractions and Decimals
The number 0.127 is how much greater than 1/8 ?

1/300
1/500
1/1000
1/800

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.127 expressed as a fraction = 127/10001/8 can also be expressed as (1 x 125) / (8 x 125) = 125/1000The difference is 2/1000, which is 1/500

Fractions and Decimals
16.7 + 12.38 - ? =10.09

14.99
18.99
20.99
16.99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 16.7 + 12.38 - x =10.09∴ x = 16.7 + 12.38 - 10.09 = 18.99

Fractions and Decimals
0.15 / (0.5 / 15) = ?

400.5
40.5
4.5
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let Y = 0.15 / (0.5 / 15) = (15/100) / [(5/100) / 15) = 4.5

Fractions and Decimals
What decimal of an hour is a second

0.0027
0.0028
0.0026
0.0025

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Fractions and Decimals
( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12

20
18
16
14

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let (20 + 8 x 0.5) / ( 20 - y) =12Then, 24 =12 x (20 - y)∴ 12y = 216⇒ y = 18

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