Fractions and Decimals Which of the following fraction is the smallest ? 3/7 9/11 11/13 5/7 3/7 9/11 11/13 5/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/3 = 0.846,9/11 = 0.818,3/4 = 0.75 and 5/7 = 0.714Clearly, 0.714 is the smallest and hence 5/7 is smallest fraction .
Fractions and Decimals 25 / .0005 = ? 50000 500000 5000 500 50000 500000 5000 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25 / .0005= 250000 / 5= 50000
Fractions and Decimals In a village, (5/8)th of the population are adults,half of the adults are male,(4/5)th of adult females are illiterate. if 400 females are illiterate, then the population of the village is ? 200 800 400 1600 200 800 400 1600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the population of village = N Then, adult's population = 5N/8and adult females = 1/2 x 5N/8 = 5N/16 ∴ illiterate females = 4/5 of adult female population ⇒ 400 = 4/5 x 5N/16 ⇒ N = (400 x 16)/4∴ N = 1600
Fractions and Decimals What will be the vulgar fraction of 0.75 ? 1 2 3/4 1/4 1 2 3/4 1/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.75 = 75/100 = 3/4
Fractions and Decimals What decimal fraction is 40 ml of a litre ? .0004 .04 .004 4 .0004 .04 .004 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
Fractions and Decimals [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 2 1 3 4 2 1 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1