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Fractions and Decimals

Fractions and Decimals
617 + 6.017 + 0.617 + 6.0017 = ?

429.6357
529.6357
329.6357
629.6357

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

617.00 6.017 0.617 + 6.0017 -------- 629.6357 ---------

Fractions and Decimals
138.009 + 341.981 - 146.305 = 123.6 + ?

21.0085
21.0085
2.10085
210.085

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let 138.009 + 341.981 - 146.305 = 123.6 + zThen, z = (138.09+341.981) - (146.305+123.6)= 479.99 - 269.905 = 210.085

Fractions and Decimals
(3.65 x 3.65 + 2.35 x 2.35 - 2 x 2.35 x 3.65) / 1.69 = ?

2
3
4
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression=[(3.65)² + (2.35)² -2 x 3.65 x 2.35 ] / 1.69=a² + b² - 2ab / 1.69, Where a = 3.65 and b = 2.35=(a - b)² / 1.69 = (3.65 - 2.35)² / 1.69 = (1.3)² / 1.69 = 1.69 / 1.69 = 1

Fractions and Decimals
The fraction ( 101 * 27/100000 ) in decimal form is :

101.00027
1010.0027
101000.27
10100.027.

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

101 * 27 / 100000 = 101 + 27 / 100000 = 101 + .00027 = 101.00027.

Fractions and Decimals
The rational number for recurring decimal 0.125125.... is:

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

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

Fractions and Decimals
Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61]

4
3
6
2

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Expression=(a² - b²) / (a - b)=[(a + b)(a - b)] / (a - b)= (a + b)= (2.39 + 1.61)= 4 

MORE MCQ ON Fractions and Decimals

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