Fractions and Decimals (.58 x .58 x .58 - .42 x .42 x .42 - 3 x .58 x .42 x .16) = ? 0.04096 4.096 0.004096 0.4096 0.04096 4.096 0.004096 0.4096 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = (.53)³ - (.42)³- 3 x .58 x .42 x (.58-.42)= a³-b³ -3ab(a - b) = (a - b)³(where a = .58 and b=.42)= (.58 - .42 )³ = .16 x .16 x .16 = 0.004096
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 18 17 19 16 18 17 19 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 rational number for recurring decimal 0.125125.... is: 125/1000 125/99 125/100 125/999 125/1000 125/99 125/100 125/999 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP _0.125125... = 0.125 =125/999
Fractions and Decimals When .36 is written in simplest fractional form, the sum of the numerator and the denominator is : 34 37 29 23 34 37 29 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36 / 100 = 9 / 25. Sum of Numerator and Denominator = 9 + 25 = 34.
Fractions and Decimals (369.99)² = ? 1369 x 10 1369 1369 x 10² None of these 1369 x 10 1369 1369 x 10² None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1369 x 10²
Fractions and Decimals The value of 47 / 10000 is ? 0.047 0.0047 0.47 0.00047 0.047 0.0047 0.47 0.00047 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 47/10000 = .0047
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