Fractions and Decimals What will come in place of question mark in the following equation ? 54.(?)3 + 543 + 5.43 = 603.26 5 7 8 3 5 7 8 3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x + 543 + 5.43 = 603.26.Then, x = 603.26 - (543 + 5.43) = 603.26 - 548.43 =54.83Missing digit = 8.
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. 7 2/3 2 2/3 9 2/3 5 2/3 7 2/3 2 2/3 9 2/3 5 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 If 5/6 of a property worth be Rs.976500 then the value of 3/5 of the property is: None of these Rs. 803080 Rs. 703080 Rs. 903080 None of these Rs. 803080 Rs. 703080 Rs. 903080 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 0.000033 / 0.11=? 0.3 0.003 0.03 0.0003 0.3 0.003 0.03 0.0003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.000033 / 0.11= 0.0033 / 11=.0003
Fractions and Decimals (44.99)² - (15.01)² = ? 1100 1800 1500 700 1100 1800 1500 700 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 (.125 + .027) / (.5 x .5 - 1.5 + .09) = ? 800 0.8 8 80 800 0.8 8 80 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(0.5)³ + (0.3)³] / [(0.5)² - 0.5 x 0.3 + (0.3)²]= [a³ + b³] / [a² - ab + b²]=[(a + b)(a² - ab + b²)]/ [a² -ab + b²]= a+b = 0.5 + 0.3 = 0.8
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