Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 31.0324250 3.10324250 0.0310324250 0.310324250 31.0324250 3.10324250 0.0310324250 0.310324250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here 5 x 25 x 6301 x 394=310324250Total decimal places = (2+3+5) = 10 ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250
Fractions and Decimals 16.7 + 12.38 - ? =10.09 18.99 16.99 14.99 20.99 18.99 16.99 14.99 20.99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 16.7 + 12.38 - x =10.09∴ x = 16.7 + 12.38 - 10.09 = 18.99
Fractions and Decimals ( .009 / ?) = .01 9 0.009 0.9 0.09 9 0.009 0.9 0.09 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let .009 / x = .01; Then x = .009 / .01=.9 / 1= .9
Fractions and Decimals 9.99 x 9.9 x 9 ÷ 9.9 ÷ 0.3 = ? 3.33 2.22 4.44 1.11 3.33 2.22 4.44 1.11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (9.99 x 9.9 x 9)/(9.9 x 0.9 x 0.3) = 3.33
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 11 11.1 111.1 1.1 11 11.1 111.1 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 A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out this cloth ? 600 300 450 150 600 300 450 150 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length of each piece = (1/8) m = 0.125 mRequired no of pieces = (37.5/0.125) = (375 * 100) / 125 = 300.