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Fractions and Decimals

Fractions and Decimals
The value of 47 / 10000 is ?

0.047
0.0047
0.00047
0.47

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

47/10000 = .0047

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

416.64
420.64
414.64
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 rational number for recurring decimal 0.125125.... is:

125/1000
125/99
125/999
125/100

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

                           _0.125125... = 0.125 =125/999

Fractions and Decimals
3 x 0.3 x 0.03 x 0.003 x 30=?

0.002430
0.2430
0.02430
2.430

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

3 x 3 x 3 x 3 x 30 = 2430 ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal

Fractions and Decimals
[{(0.1)² - (0.01)²} / {0.0001 + 1 }] is equal to ?

100
25
75
50

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression = (0.01 - 0.0001) / (0.00001 + 1)= (.0099 / .0001) + 1 = 99 + 1= 100

Fractions and Decimals
If 2805 / 2.55 = 1100, then 280.5 / 25.5 is equal to ?

31
11
21
41

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression 280.5 / 25.5 = 2805 / 255= 2805 / (2.55 x 100) = 1100 / 100 =11

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