Fractions and Decimals √441.441 + √256.256 = ? 41 39 35 37 41 39 35 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √441.441 + √256.256= √441 + √256= (21 + 16) = 37
Fractions and Decimals 3420 / 19 = ( ? / 0.01) x 7 9/30 9/40 9/45 9/35 9/30 9/40 9/45 9/35 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 From a rope 30 m long, a person cuts off as many pieces as possible, each 3 1/4 m long. What fraction of the whole will be left ? 1/5 1/2 1/3 1/4 1/5 1/2 1/3 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length of each piece = 3 1/4 = 13/4 m Maximum pieces that can be cut = 30/(13/4) = 9 ∴ Rope left = 30 - 13/4 x 9 = 120 - 117/4 = 3/4 m∴ Required fraction = 3/4/30 = 1/4
Fractions and Decimals [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 4 1 2 3 4 1 2 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1
Fractions and Decimals What should be subtracted from the multiplication of 0.527 and 2.013 to get 1 ? 6085.1 None of these 60.851 0.060851 6085.1 None of these 60.851 0.060851 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 0.527 x 2.013 = 1.060851Hence, the required number = 1.060851 - 1 = 0.060851.
Fractions and Decimals 0.002 * 0.5 = ? 0.1 0.01 1 0.001 0.1 0.01 1 0.001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 * 5 = 10.Sum of decimal places = 4..002 * .5 = 0.0010 = 0.001