Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? 25 .0025 .025 .00025 25 .0025 .025 .00025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
Fractions and Decimals 3 / [ 3+ {(0.3 - 3.03) / (3 x 0.91)}] = ? 0.5 1.5 1.0 2.0 0.5 1.5 1.0 2.0 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 3 / [ 3+ {(0.3 - 3.03) / (3 x 0.91)}] = 3 / [3- { 273 / (3 x 91)}] = 3 / (3-1)= 3 / 2 = 1.5
Fractions and Decimals When 0.232323.... is converted into a fraction , then the result is 24/99 25/99 26/99 23/99 24/99 25/99 26/99 23/99 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals ? % of 10.8 =32.4 600 100 500 300 600 100 500 300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k % of 10.8=32.4 ⇒ (k x 10.8) / 100 = 32.4⇒ k = (32.4 x 100 )/10.8 = 300
Fractions and Decimals (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) = ? .0625 6.25 62.5 .625 .0625 6.25 62.5 .625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(.356)² -2 x .356 x .106 + (.106)²] / [(.632)²+2 x .632 x .368 +(.368)²]= (a² -2ab + b²) / (c²+2cd+d²)= (a - b)² / (c + d)²= (.356 -.106)² / (.632 + .368)²= (.25)² = .0625
Fractions and Decimals What will be the vulgar fraction of 0.75 ? 2 3/4 1/4 1 2 3/4 1/4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.75 = 75/100 = 3/4