Fractions and Decimals If 144 / 0.144 = 14.4 / x, then the value of x is: 0.0144 1.44 14.4 0.144 0.0144 1.44 14.4 0.144 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 144 / 0.144 = 14.4 / x144 x 1000 / 144 = 14.4 / x x =14.4 / 1000 = 0.0144
Fractions and Decimals A person was asked to state his age in years. His reply was , "Take my age 3 years hence, multiply it by 3 and subtract 3 times my age 3 years ago and you will know how old I am." What was the age of 18 19 17 16 18 19 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of person be x years.Then, 3(x + 3) - 3(x - 3 ) = x <=> (3x + 9) - (3x - 9) = x <=> x = 18
Fractions and Decimals The rational for the recurring decimal 0.125125......is 125/999 125/99 125/9 None of these 125/999 125/99 125/9 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.125125...... = 0.125 = 125/999.
Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? .00025 .025 .0025 25 .00025 .025 .0025 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
Fractions and Decimals Two times of the third of three consecutive even integers is three times of the first. Then the second integer is 1 7 10 4 1 7 10 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive three integers be X, X + 2 and X + 4Then, 2(X + 4) = 3XX = 8Now X + 2 = 10The required second integer is 10
Fractions and Decimals [( 3.242 x 14 ) / 100] = ? 4.5388 0.45388 45.388 0.045388 4.5388 0.45388 45.388 0.045388 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Multiplying 3.242 x 14=4.5388Now divide 4.5388 by 100So, 4.5388 ÷ 100= 0.045388∴ Shift the decimal two places to the left as 100
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