Fractions and Decimals 6 x 0.6 x 0.06 x 0.006 x 60 = ? 7.776 0.7776 77.76 0.07776 7.776 0.7776 77.76 0.07776 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000 = 7776/100000 = 0.07776
Fractions and Decimals The expression (11.98 * 11.98 + 11.98 * (x) + 0.02 * 0.02) will be a perfect square for x equal to : None of these 4 0.4 0.04 None of these 4 0.4 0.04 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given = (11.98)^2 + (0.02)^2 + 11.98 * x. For the given expression to be a perfect square, we must have11.98 * x = 2 * 11.98 * 0.02=> x = 0.04
Fractions and Decimals What will be the value of (25.732)² - (15.732)² 414.64 418.64 420.64 416.64 414.64 418.64 420.64 416.64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Can be easily solved with following formula= (25.732 - 15.732 ) x (25.732 + 15.732)=414.64
Fractions and Decimals Find the value of 2 x [(3.6 x 0.48 x 2.50) / (0.12 x 0.09 x 0.5)] 800 1200 1600 1400 800 1200 1600 1400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x [(3.6 x 0.48 x 2.50) / (0.12 x 0.09 x 0.5)]= 2 x [(36 x 48 x 250) / (12 x 9 x 5)]= 2 x 4 x 4 x 50 = 1600
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 ? 300 600 450 150 300 600 450 150 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.
Fractions and Decimals The fraction ( 101 * 27/100000 ) in decimal form is : 10100.027. 101000.27 101.00027 1010.0027 10100.027. 101000.27 101.00027 1010.0027 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 101 * 27 / 100000 = 101 + 27 / 100000 = 101 + .00027 = 101.00027.