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Fractions and Decimals

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

2.430
0.2430
0.002430
0.02430

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
12.1212 + 17.0005 - 9.1102 = ?

2001.15
2.00115
20.0115
200.115

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Expression,= (12.1212 + 17.0005) - 9.1102= (29.1217 - 9.1102)= 20.0115.

Fractions and Decimals
Change 75/100 into decimal number.

0.75
7.5
75
750

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75/100 = 0.75

Fractions and Decimals
Which of the following fraction is greater than 4/5 and less than 6/7?

3/4
10/11
2/3
5/6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

We have to find X such that 4/5 < X < 6/7Converting each fraction into decimal form, we get:4/5 = 0.86/7 = 0.85We have to find the fraction which is greater than 0.8 and less than 0.85.Now,2/3 = 0.663/4 = 0.755/6 = 0.8310/11 = 0.91Clearly, 0.83 lies between 0.8 and 0.85.Required fraction is 5/6

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

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

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
8.32 x 0.999 = ?

8311.68
83.1168
831.168
8.31168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression = 8.32 x 0.999= 8.32 x (1-0.001) = 8.32 - 8.32 x 0.001=8.32 - .00832 = 8.31168

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