Fractions and Decimals What decimal of an hour is a second 0.0028 0.0025 0.0027 0.0026 0.0028 0.0025 0.0027 0.0026 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 8 80 0.8 800 8 80 0.8 800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.3)³] / [(0.5)² - 0.5 x 0.3 + (0.3)²]= [a³ + b³] / [a² - ab + b²]=[(a + b)(a² - ab + b²)]/ [a² -ab + b²]= a+b = 0.5 + 0.3 = 0.8
Fractions and Decimals 617 + 6.017 + 0.617 + 6.0017 = ? 329.6357 629.6357 429.6357 529.6357 329.6357 629.6357 429.6357 529.6357 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 617.00 6.017 0.617 + 6.0017 -------- 629.6357 ---------
Fractions and Decimals 4.036 divided by 0.04 gives 10.9 100.9 10000.9 1000.9 10.9 100.9 10000.9 1000.9 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.32 0.28 0.34 0.30 0.32 0.28 0.34 0.30 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 If the numerator of a fraction is increased by 2 and the denominator is increased by 1, the fraction because 5/8 and if the numerator of the same fraction is increased by 3 and the denominator is incr 1/7 3/7 2/7 4/7 1/7 3/7 2/7 4/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be p/q Then, (p + 2) / (q + 1) = 5/8⇒ 8p - 5q = 11 .....(i)Again (p + 3) / (q + 1) = 3/4⇒ 4p - 3q = 9 ...(ii)Solving equations , (i) and (ii), we get ,p = 3 and q = 7∴ Fraction = 3/7
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