Fractions and Decimals What decimal of an hour is a second 0.0025 0.0027 0.0026 0.0028 0.0025 0.0027 0.0026 0.0028 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals The value of [(0.96)³- (0.1)³] / [(0.96)² + 0.096 + (0.1)²] is : 0.86 0.46 0.36 0.56 0.86 0.46 0.36 0.56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression=[(0.96)³ - (0.1)³] / [(0.96)² + (0.96 x 0.1) + (0.1)²]= [(a³ - b³) / (a² + ab + b²)] = (a - b)= (0.96 - 0.1)= 0.86
Fractions and Decimals If the numerator of a fraction is increased by 2 and the denominator is increased by 1, the fraction because 5/8 and if the numerator of the same fraction is increased by 3 and the denominator is incr 4/7 1/7 3/7 2/7 4/7 1/7 3/7 2/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the original fraction be p/q Then, (p + 2) / (q + 1) = 5/8⇒ 8p - 5q = 11 .....(i)Again (p + 3) / (q + 1) = 3/4⇒ 4p - 3q = 9 ...(ii)Solving equations , (i) and (ii), we get ,p = 3 and q = 7∴ Fraction = 3/7
Fractions and Decimals Correct expression of 6.46 is 646/999 646/99 646/9 646/9999 646/999 646/99 646/9 646/9999 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals If 12276 / 155 = 79.2 the value of 122.76 / 15.5 is ? 792 79.2 7.92 0.792 792 79.2 7.92 0.792 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 122.76 / 15.50 = 12276/1550= (12276 / 155) x (1/10) = 79.2 / 10 = 7.92
Fractions and Decimals If 5/6 of a property worth be Rs.976500 then the value of 3/5 of the property is: Rs. 903080 None of these Rs. 703080 Rs. 803080 Rs. 903080 None of these Rs. 703080 Rs. 803080 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
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