Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? 1.68 None of these 168 16.8 1.68 None of these 168 16.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 3√5 / 2√5 - 0.48= (3 x 2.24) / (2 x 2.24) - 0.48= 6.72 / 4.48 - 0.48 = 6.72 / 4 = 1.68
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. 5 2/3 9 2/3 7 2/3 2 2/3 5 2/3 9 2/3 7 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 A person was asked to state his age in years. His reply was , "Take my age 3 years hence, multiply it by 3 and subtract 3 times my age 3 years ago and you will know how old I am." What was the age of 19 18 17 16 19 18 17 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the present age of person be x years.Then, 3(x + 3) - 3(x - 3 ) = x <=> (3x + 9) - (3x - 9) = x <=> x = 18
Fractions and Decimals The fraction ( 101 * 27/100000 ) in decimal form is : 10100.027. 1010.0027 101000.27 101.00027 10100.027. 1010.0027 101000.27 101.00027 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 101 * 27 / 100000 = 101 + 27 / 100000 = 101 + .00027 = 101.00027.
Fractions and Decimals 0.8 x ? =0.0004 0.0005 0.005 0.00005 0.05 0.0005 0.005 0.00005 0.05 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005