Fractions and Decimals If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is : 61/63 65/67 73/77 71/74 61/63 65/67 73/77 71/74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77.
Fractions and Decimals What will be the value of (25.732)² - (15.732)² 420.64 416.64 414.64 418.64 420.64 416.64 414.64 418.64 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 What decimal fraction is 40 ml of a litre ? .004 .04 4 .0004 .004 .04 4 .0004 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
Fractions and Decimals The rational number for recurring decimal 0.125125.... is: 125/100 125/1000 125/99 125/999 125/100 125/1000 125/99 125/999 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP _0.125125... = 0.125 =125/999
Fractions and Decimals \15.60 x 0.30=? 40.68 46.8 468 4.68 40.68 46.8 468 4.68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 1560 x 30 = 46800∴ 15.60 x 0.30 = 4.6800= 4.68 ( Four places of decimal )
Fractions and Decimals If √15 = 3.88, the value of √5/3 is ? 1290 12.9 129 1.29 1290 12.9 129 1.29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √5/3 = √15/9= √15/3= 3.88/3 = 1.29
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