Fractions and Decimals 16.001 x 11.999 x 99.989 x 0.9 = ? 17280 18764 19347 20924 17280 18764 19347 20924 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16 x 12 x 100 x 0.9 ? = 17280
Fractions and Decimals (.538 x .538 - .462 x .462) / (1-.924) = ? 1 21 11 31 1 21 11 31 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [ (.538)² - (.462)² ] / .076 = [(.538 + .462)(.538 - .462)] /.076=.076 / .076 = 1
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 16 18 17 19 16 18 17 19 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 None of these 125/99 125/999 125/9 None of these 125/99 125/999 125/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.125125...... = 0.125 = 125/999.
Fractions and Decimals 138.009 + 341.981 - 146.305 = 123.6 + ? 21.0085 21.0085 2.10085 210.085 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 Which of the following fractions is greater than 3/4 and less than 5/6? 1/2 4/5 9/10 2/3 1/2 4/5 9/10 2/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 = 0.75, 5/6= 0.833, 1/2= 0.5, 2/3= 0.66,4/5= 0.8, 9/10= 0.9. Clearly, 0.8 lies between 0.75 and 0.833.4/5 lies between 3/4 and 5/6.
EXAMIANS