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 The value of 47 / 10000 is ? 0.047 0.47 0.00047 0.0047 0.047 0.47 0.00047 0.0047 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 47/10000 = .0047
Fractions and Decimals ( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12 18 20 16 14 18 20 16 14 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 Change 75/100 into decimal number. 75 750 0.75 7.5 75 750 0.75 7.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75/100 = 0.75
Fractions and Decimals The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs. 4.20 and that of Y was Rs. 6.3 2011 2012 2014 2013 2011 2012 2014 2013 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Suppose commodity X wil cost 40 paise more than Y after Z years.Then, (4.20 + 0.40Z) - (6.30 + 0.15Z) = 0.40 0.25Z = 0.40 + 2.10 Z= X will cost 40 paise more than Y 10 years after 2001 . i.e in 2011
Fractions and Decimals The greatest fraction out of 2/5, 5/6, 11/12 and 7/8 is ? 2/5 11/12 7/8 5/6 2/5 11/12 7/8 5/6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/5 = 0.4 , 5/6 = 0.833, 11/12 = 0.916 and 7/8 = 0.875Clearly, the greatest fraction is 0.916, i, e . 11/12.