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Fractions and Decimals

Fractions and Decimals
50.8 / 2540 = ?

0.002
0.0002
0.02
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

50.8 / 2540 = 508 / 25400 = 2 / 100 = .02

Fractions and Decimals
0.008 x 0.3 = ? a) 0.24 b) 0.0240 c) 0.204 d) 0.0024

0.00024
0.024
0.24
0.0024

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression is, 0.008 x 0.3The multiplication value without decimal point = 8 x 3 = 24Sum of the number of decimal places in the given numbers = 3 + 1 = 4Now, in the product, the decimal point is marked off to obtain as many places of decimal.Then the answer is 0.0024.

Fractions and Decimals
0.6 + 0.66 + 0.066 + 6.606 = ?

7.932
793.2
79.32
7932

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.6 + 0.66 + 0.066 + 6.606= 0.600 + 0.660 + 0.066 + 6.660= 7.932

Fractions and Decimals
(0.16)² - (0.12)² = ?

.112
11.2
1.12
0.0112

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = a² - b² = (a + b)(a - b)Hence, (0.16)² - (0.12)²= (0.16 + 0.12)(0.16 - 0.12)= 0.28 x 0.04 = 0.0112

Fractions and Decimals
The rational for the recurring decimal 0.125125......is

125/9
None of these
125/999
125/99

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.125125...... = 0.125 =   125/999.

Fractions and Decimals
(369.99)² = ?

1369 x 10²
1369 x 10
1369
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1369 x 10²

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