Fractions and Decimals (44.99)² - (15.01)² = ? 1500 1100 700 1800 1500 1100 700 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 Which of the following fraction does not lie between 5/6 and 8/15? 3/4 4/5 2/3 6/7 3/4 4/5 2/3 6/7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Converting each of the given fractions into decimal form, we get,5/6 = 0.838/15 = 0.532/3 = 0.663/4 = 0.754/5 = 0.86/7 = 0.85Clearly, 0.85 does not lie between 0.83 and 0.53Hence the required fraction is 6/7.
Fractions and Decimals ( 17.28 / ? ) / (3.6 x 0.2) = 200 0.13 0.12 0.10 0.11 0.13 0.12 0.10 0.11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let (17.28 / y) / (3.6 x 0.2) = 200Then,17.28 / y = 200 x 3.6 x 0.2∴ y = 17.28 / (200 x 3.6 x 0.2) = 1728 / 200 x 36 x 2 = 0.12.
Fractions and Decimals √441.441 + √256.256 = ? 35 39 41 37 35 39 41 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √441.441 + √256.256= √441 + √256= (21 + 16) = 37
Fractions and Decimals 9.75 x 9.75 - 2 x 9.75 x 5.75 + 5.75 x 5.75 = ? 18 17 15 16 18 17 15 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = a² -2ab + b² Where a =9.75 and b=5.75= (a-b)² = (9.75 - 5.75)² = 4²=16
Fractions and Decimals 4.036 divided by 0.04 gives 100.9 10.9 1000.9 10000.9 100.9 10.9 1000.9 10000.9 ANSWER DOWNLOAD EXAMIANS APP
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