Fractions and Decimals ? % of 10.8 =32.4 600 500 300 100 600 500 300 100 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 3420 / 19 = ( ? / 0.01) x 7 9/30 9/40 9/35 9/45 9/30 9/40 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 Out of the fractions 5/7, 7/13, 4/7, 4/15 and 9/14, which is the third highest? 7/13 4/7 4/15 5/7 7/13 4/7 4/15 5/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/7 = 0.71, 7/13 = 0.54, 4/7 = 0.57, 4/15 = 0.27, 9/14 = 0.64Clearly, 4/7 is the third highest fraction.
Fractions and Decimals 0.8 x ? =0.0004 0.05 0.00005 0.005 0.0005 0.05 0.00005 0.005 0.0005 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.34 0.30 0.28 0.32 0.34 0.30 0.28 0.32 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence,(0.29)² - (0.01)²/0.3 = (0.29 + 0.01)(0.29 - 0.01)/0.3= (0.3 x 0.28)/0.3 = 0.28
Fractions and Decimals The value of 47 / 10000 is ? 0.47 0.00047 0.047 0.0047 0.47 0.00047 0.047 0.0047 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 47/10000 = .0047