Fractions and Decimals If 0.12 ÷ x² = 12, than x = ? 0.1 0.001 10 0.01 0.1 0.001 10 0.01 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.12 ÷ x² = 12 => 0.12/x² = 12=> x² = 0.12/12 = 0.01 => x = 0.1
Fractions and Decimals ? % of 10.8 =32.4 500 600 100 300 500 600 100 300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k % of 10.8=32.4 ⇒ (k x 10.8) / 100 = 32.4⇒ k = (32.4 x 100 )/10.8 = 300
Fractions and Decimals [(3.537 - .948)² + (3.537 + .948)²] / [(3.537)² + (.948)²] = ? 3 1 0 2 3 1 0 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(3.537 - .948)² + (3.537 + .948)²] / [(3.537)² + (.948)²] = [(a - b)² + (a + b)²] / (a²+ b²) (Where a = 3.537 and b = 0.948)= 2(a² +b²) / (a² +b²) = 2
Fractions and Decimals 3420 / 19 = ( ? / 0.01) x 7 9/40 9/30 9/35 9/45 9/40 9/30 9/35 9/45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3420 / 19 = (y / 0.01) x 7Then , y = ( 3420 / 19) x (0.01 / 7) = 180 / 700 = 9/35
Fractions and Decimals How many digits will be there to the right of the decimal point in the product of 95.75 and 0.2554 ? 6 5 8 7 6 5 8 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum of the decimal places = 7 .Since the last digit to the extreme right will be zero ( 5 * 4 = 20), so there will be 6 significant digits to the right of the decimal point....
Fractions and Decimals Which of the following fractions is greater than 3/4 and less than 5/6? 9/10 1/2 2/3 4/5 9/10 1/2 2/3 4/5 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.