Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? .00025 .025 .0025 25 .00025 .025 .0025 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
Fractions and Decimals Which of the following fraction is the largest? 18/23 8/9 14/17 16/21 18/23 8/9 14/17 16/21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Converting the given fractions into decimal form, we have,8/9 = 0.8818/23 = 0.7816/21 = 0.7614/17 = 0.82From the above, 0.88 is the largest.Corresponding fraction is 8/9.
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 (44.99)² - (15.01)² = ? 1800 1500 700 1100 1800 1500 700 1100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence, (44.99)² - (15.01)² = (44.99 + 15.01)(44.99 - 15.01)= 60 x 29.98 = 60 x 30 = 1800
Fractions and Decimals 0.9 x 0.008=? 0.00072 0.72 None of these 0.072 0.00072 0.72 None of these 0.072 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
Fractions and Decimals Change 75/100 into decimal number. 75 7.5 0.75 750 75 7.5 0.75 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75/100 = 0.75
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