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Fractions and Decimals

Fractions and Decimals
If 12276 / 155 = 79.2 the value of 122.76 / 15.5 is ?

79.2
7.92
0.792
792

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

122.76 / 15.50 = 12276/1550= (12276 / 155) x (1/10) = 79.2 / 10 = 7.92

Fractions and Decimals
(369.99)² = ?

1369 x 10
None of these
1369 x 10²
1369

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

1369 x 10²

Fractions and Decimals
If √15 = 3.88, the value of √5/3 is ?

1.29
129
1290
12.9

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

√5/3 = √15/9= √15/3= 3.88/3 = 1.29

Fractions and Decimals
[(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ?

2
3
4
1

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1

Fractions and Decimals
Which of the following fraction is the largest?

8/9
14/17
16/21
18/23

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Converting the given fractions into decimal form, we have,8/9 = 0.8818/23 = 0.7816/21 = 0.7614/17 = 0.82From the above, 0.88 is the largest.Corresponding fraction is 8/9.

Fractions and Decimals
Which of the following fraction are in ascending order ?

16/19, 17/22, 11/14
17/22, 11/14, 16/19
16/19, 11/14, 17/22
11/14, 16/19, 17/22

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

16/19 =0.842,11/14 =0.785 and 17/22 = 0.772∴ 0.772 < 0.785 < 0.842or 17/22 < 11/14 < 16/19.

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