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Fractions and Decimals

Fractions and Decimals
When 52416 divided by 312 , the quotient is 168. What will be the quotient when 52.416 is divided by 0.0168 ?

312
312000
3120
31200

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given, 52416 / 312 = 168.<=>  52416 / 168 = 312.52.416 / 0.0168 = 524160 / 168 = 3120.

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

3
4
2
6

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

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

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

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

Fractions and Decimals
The number 0.127 is how much greater than 1/8 ?

1/1000
1/300
1/800
1/500

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

0.127 expressed as a fraction = 127/10001/8 can also be expressed as (1 x 125) / (8 x 125) = 125/1000The difference is 2/1000, which is 1/500

Fractions and Decimals
6 x 0.6 x 0.06 x 0.006 x 60 = ?

0.07776
7.776
77.76
0.7776

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000                  = 7776/100000 = 0.07776

Fractions and Decimals
If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction.

9 2/3
7 2/3
5 2/3
2 2/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

If the required fraction be P According to the question (P x P) / (1/P) = 18 26/27⇒ P³ = 512/27∴ P = 8/3 = 2 2/3

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