Fractions and Decimals 3 x 0.3 x 0.03 x 0.003 x 30=? 2.430 0.002430 0.02430 0.2430 2.430 0.002430 0.02430 0.2430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 x 3 x 3 x 3 x 30 = 2430 ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal
Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? None of these 168 1.68 16.8 None of these 168 1.68 16.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 3√5 / 2√5 - 0.48= (3 x 2.24) / (2 x 2.24) - 0.48= 6.72 / 4.48 - 0.48 = 6.72 / 4 = 1.68
Fractions and Decimals Out of the fractions 5/7, 7/13, 4/7, 4/15 and 9/14, which is the third highest? 5/7 7/13 4/7 4/15 5/7 7/13 4/7 4/15 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 9.75 x 9.75 - 2 x 9.75 x 5.75 + 5.75 x 5.75 = ? 18 16 15 17 18 16 15 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = a² -2ab + b² Where a =9.75 and b=5.75= (a-b)² = (9.75 - 5.75)² = 4²=16
Fractions and Decimals 0.15 / (0.5 / 15) = ? 4.5 None of these 40.5 400.5 4.5 None of these 40.5 400.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let Y = 0.15 / (0.5 / 15) = (15/100) / [(5/100) / 15) = 4.5
Fractions and Decimals (.23 - .023) / ( .0023 / 23 ) = ? 2077 2070 207 2770 2077 2070 207 2770 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (.23 - .023) / ( .0023 / 23 ) = .207 / (.0023 / 23) = .207 / .0001=.2070 / .0001 = 2070
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