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Fractions and Decimals

Fractions and Decimals
8.32 x 0.999 = ?

831.168
8311.68
8.31168
83.1168

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given expression = 8.32 x 0.999= 8.32 x (1-0.001) = 8.32 - 8.32 x 0.001=8.32 - .00832 = 8.31168

Fractions and Decimals
(0.2 * 0.2 + 0.01) ( 0.1 * 0.1 + 0.02)^(-1) is equal to :

4/3
7/3
6/3
5/3

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Given = (0.2 * 0.2 + 0.01) / ( 0.1 * 0.1 + 0.02)= (0.04 + 0.01) / (0.01 + 0.02) = 0.05 / 0.03= 5/3...

Fractions and Decimals
0.15 / (0.5 / 15) = ?

4.5
400.5
None of these
40.5

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let Y = 0.15 / (0.5 / 15) = (15/100) / [(5/100) / 15) = 4.5

Fractions and Decimals
Change 75/100 into decimal number.

7.5
750
75
0.75

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

75/100 = 0.75

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

1100
1800
1500
700

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
Find the integer which when decreased by 2 is 80 times the reciprocal of the same number

10
11
12
13

ANSWER EXPLANATION DOWNLOAD EXAMIANS APP

Let the number be X Decreasing 2 from XX - 2 = 80 x (1/X)X^2 - 2X = 80X^2 -2x -80 = 0(X-10)(X+8) = 0x=10,-8X has two values, but among the given options X value should be 10

MORE MCQ ON Fractions and Decimals

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