Fractions and Decimals (44.99)² - (15.01)² = ? 1100 700 1500 1800 1100 700 1500 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence, (44.99)² - (15.01)² = (44.99 + 15.01)(44.99 - 15.01)= 60 x 29.98 = 60 x 30 = 1800
Fractions and Decimals When 0.232323.... is converted into a fraction , then the result is 23/99 24/99 25/99 26/99 23/99 24/99 25/99 26/99 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals If 5/6 of a property worth be Rs.976500 then the value of 3/5 of the property is: Rs. 803080 Rs. 903080 Rs. 703080 None of these Rs. 803080 Rs. 903080 Rs. 703080 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the worth of total property be Rs.XWe have to find 3/5 of X.Given that, 5/6 th of the property = Rs.976500i.e., 5/6 x X = 976500X = 976500 x 6/5And, 3/5 of X = 3/5 x 976500 x 6/5 = 18 x 39060 = 703080Hence the answer is Rs. 703080
Fractions and Decimals The value of [0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02] / [0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04] is: 125 12.5 1.25 0.125 125 12.5 1.25 0.125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression=[(0.1)³ + (0.02)³] / 2³ [(0.1)³ + (0.02)³]=1/8= 0.125
Fractions and Decimals Which of the following fractions is greater than 3 /4 and less than 5 / 6 ? 4/5 1/2 5/6 3/4 4/5 1/2 5/6 3/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 /4 = 0.75, 5/6 = 0.833,1/2 = .5,2/3 = 0.66, 4/5 = 0.8,9/10 = 0.9.clearly 0.8 lies between 0.75 and .833.4/5 lies between 3/4 and 5/6.
Fractions and Decimals If 0.12 ÷ x² = 12, than x = ? 0.01 0.1 10 0.001 0.01 0.1 10 0.001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.12 ÷ x² = 12 => 0.12/x² = 12=> x² = 0.12/12 = 0.01 => x = 0.1
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