Fractions and Decimals 25 / .0005 = ? 50000 500 500000 5000 50000 500 500000 5000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25 / .0005= 250000 / 5= 50000
Fractions and Decimals The value of [(0.96)³- (0.1)³] / [(0.96)² + 0.096 + (0.1)²] is : 0.46 0.36 0.56 0.86 0.46 0.36 0.56 0.86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression=[(0.96)³ - (0.1)³] / [(0.96)² + (0.96 x 0.1) + (0.1)²]= [(a³ - b³) / (a² + ab + b²)] = (a - b)= (0.96 - 0.1)= 0.86
Fractions and Decimals If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction. 9 2/3 5 2/3 2 2/3 7 2/3 9 2/3 5 2/3 2 2/3 7 2/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the required fraction be P According to the question (P x P) / (1/P) = 18 26/27⇒ P³ = 512/27∴ P = 8/3 = 2 2/3
Fractions and Decimals (.58 x .58 x .58 - .42 x .42 x .42 - 3 x .58 x .42 x .16) = ? 4.096 0.4096 0.04096 0.004096 4.096 0.4096 0.04096 0.004096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = (.53)³ - (.42)³- 3 x .58 x .42 x (.58-.42)= a³-b³ -3ab(a - b) = (a - b)³(where a = .58 and b=.42)= (.58 - .42 )³ = .16 x .16 x .16 = 0.004096
Fractions and Decimals What decimal of an hour is a second 0.0025 0.0028 0.0027 0.0026 0.0025 0.0028 0.0027 0.0026 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals 3889 + 12.952 - ? = 3854.002 47.95 4795 4.795 479.5 47.95 4795 4.795 479.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.