Fractions and Decimals (.23 - .023) / ( .0023 / 23 ) = ? 207 2077 2070 2770 207 2077 2070 2770 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (.23 - .023) / ( .0023 / 23 ) = .207 / (.0023 / 23) = .207 / .0001=.2070 / .0001 = 2070
Fractions and Decimals 0.0169 / 0.013=? 1300/10 None of these 130/10 13/10 1300/10 None of these 130/10 13/10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.0169 / 0.0130 = 169 / 130 = 13 / 10
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.28 0.30 0.34 0.32 0.28 0.30 0.34 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 ( 0.5 x 0.5 x 0.5 x 0.6 x 0.6 x 0.6 ) / ( 0.5 x 0.5 - 0.3 + 0.6 x 0.6 ) = ? 1.1 111.1 11.1 11 1.1 111.1 11.1 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.6)³ ] / [(0.5)² - 0.5 x 0.6 + (0.6)²]= (a³+b³) / ( a²-ab+b²)= a + b= 0.5 + 0.6= 1.1
Fractions and Decimals ( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12 16 14 18 20 16 14 18 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let (20 + 8 x 0.5) / ( 20 - y) =12Then, 24 =12 x (20 - y)∴ 12y = 216⇒ y = 18
Fractions and Decimals 0.9 x 0.008=? 0.072 0.00072 None of these 0.72 0.072 0.00072 None of these 0.72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
EXAMIANS