Fractions and Decimals 892.7 - 573.07 - 95.007 = ? 224.623 228.623 226.623 230.623 224.623 228.623 226.623 230.623 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression, 892.7 - (573.07 + 95.007)= 892.7 - 668.077 = 224.623.
Fractions and Decimals If x/y = 0.3, then (2x - y)/(2x + y) = ? 0.5 0.5 0.15 0.25 0.5 0.5 0.15 0.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x = 0.3y Then, (y - 2x)/(y + 2x)= y - 2(0.3y)/y + 2(0.3y)= y - 0.6y/y + 0.6y= 0.4y/1.6y= 0.4/1.6 = 0.25
Fractions and Decimals If the numerator of a fraction is increased by 2 and the denominator is increased by 1, the fraction because 5/8 and if the numerator of the same fraction is increased by 3 and the denominator is incr 1/7 2/7 4/7 3/7 1/7 2/7 4/7 3/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be p/q Then, (p + 2) / (q + 1) = 5/8⇒ 8p - 5q = 11 .....(i)Again (p + 3) / (q + 1) = 3/4⇒ 4p - 3q = 9 ...(ii)Solving equations , (i) and (ii), we get ,p = 3 and q = 7∴ Fraction = 3/7
Fractions and Decimals √441.441 + √256.256 = ? 41 39 37 35 41 39 37 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √441.441 + √256.256= √441 + √256= (21 + 16) = 37
Fractions and Decimals If 0.12 ÷ x² = 12, than x = ? 0.01 0.1 0.001 10 0.01 0.1 0.001 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.12 ÷ x² = 12 => 0.12/x² = 12=> x² = 0.12/12 = 0.01 => x = 0.1
Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 3.10324250 0.310324250 0.0310324250 31.0324250 3.10324250 0.310324250 0.0310324250 31.0324250 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
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