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Fractions and Decimals

Fractions and Decimals
If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is :

61/63
65/67
71/74
73/77

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

x / y  = 0.04 / 1.5 = 4 / 150 = 2 / 75.= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77.

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

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.125125...... = 0.125 =   125/999.

Fractions and Decimals
0.002 * 0.5 = ?

1
0.01
0.001
0.1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

2 * 5 = 10.Sum of decimal places =  4..002  * .5 = 0.0010 = 0.001 

Fractions and Decimals
(44.99)² - (15.01)² = ?

1800
700
1100
1500

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

a² - b² = (a + b)(a - b)Hence, (44.99)² - (15.01)² = (44.99 + 15.01)(44.99 - 15.01)= 60 x 29.98 = 60 x 30 = 1800

Fractions and Decimals
475.124 x 15.98 ÷ 8.001 + 33.33 = ?

883.578
1183.578
983.578
1083.578

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 475.124 x (15.98 ÷ 8.001) + 33.33= (475.124 x 16/8) + 33.33 = 950.248 + 33.33 = 983.578

Fractions and Decimals
If 5/6 of a property worth be Rs.976500 then the value of 3/5 of the property is:

Rs. 803080
Rs. 703080
Rs. 903080
None of these

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the worth of total property be Rs.XWe have to find 3/5 of X.Given that, 5/6 th of the property = Rs.976500i.e., 5/6 x X = 976500X = 976500 x 6/5And, 3/5 of X = 3/5 x 976500 x 6/5 = 18 x 39060 = 703080Hence the answer is Rs. 703080

MORE MCQ ON Fractions and Decimals

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