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 .625 62.5 .0625 6.25 .625 62.5 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 ( .803 x .647 + .803 x .353 ) = ? 803 .803 80.3 8.03 803 .803 80.3 8.03 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( .803 x .647 + .803 x .353 )= 803 x (.647 + .353)= .803 x 1 = .803
Fractions and Decimals If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction. 9 2/3 7 2/3 5 2/3 2 2/3 9 2/3 7 2/3 5 2/3 2 2/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the required fraction be P According to the question (P x P) / (1/P) = 18 26/27⇒ P³ = 512/27∴ P = 8/3 = 2 2/3
Fractions and Decimals 12.1212 + 17.0005 - 9.1102 = ? 2.00115 200.115 2001.15 20.0115 2.00115 200.115 2001.15 20.0115 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression,= (12.1212 + 17.0005) - 9.1102= (29.1217 - 9.1102)= 20.0115.
Fractions and Decimals (.24 x .35 ) / (.14 x .15 x .02) is equal to ? 188 200 176 182 188 200 176 182 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (.24 x .35) / (.14 x .15 x .02)= (24 x 35 x 100 ) / (14 x 15 x 2)=200
Fractions and Decimals Which of the following fractions is greater than 3/4 and less than 5/6? 4/5 9/10 2/3 1/2 4/5 9/10 2/3 1/2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 = 0.75, 5/6= 0.833, 1/2= 0.5, 2/3= 0.66,4/5= 0.8, 9/10= 0.9. Clearly, 0.8 lies between 0.75 and 0.833.4/5 lies between 3/4 and 5/6.
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