Fractions and Decimals 3.5 + 21 x 1.3 = ? 26.8 24.8 30.8 28.8 26.8 24.8 30.8 28.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = 30.8
Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 31.0324250 0.310324250 3.10324250 0.0310324250 31.0324250 0.310324250 3.10324250 0.0310324250 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
Fractions and Decimals 0.0169 / 0.013=? 130/10 1300/10 None of these 13/10 130/10 1300/10 None of these 13/10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.0169 / 0.0130 = 169 / 130 = 13 / 10
Fractions and Decimals From a rope 30 m long, a person cuts off as many pieces as possible, each 3 1/4 m long. What fraction of the whole will be left ? 1/3 1/4 1/2 1/5 1/3 1/4 1/2 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length of each piece = 3 1/4 = 13/4 m Maximum pieces that can be cut = 30/(13/4) = 9 ∴ Rope left = 30 - 13/4 x 9 = 120 - 117/4 = 3/4 m∴ Required fraction = 3/4/30 = 1/4
Fractions and Decimals (10.3 * 10.3 * 10.3 + 1)/(10.3 * 10.3 - 10.3 + 1) is : 1.3 11.3 111.3 None of these 1.3 11.3 111.3 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a^3 + b^3 = (a+ b) * (a^2 + b^2 - ab)..( (10.3)^3 + (1)^3 ) / ((10.3)^2 + (1)^2 - (1 * 10.3))=> a + b = 10.3 + 1 = 11.3
Fractions and Decimals The rational number for recurring decimal 0.125125.... is: 125/999 125/1000 125/99 125/100 125/999 125/1000 125/99 125/100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP _0.125125... = 0.125 =125/999
EXAMIANS