Fractions and Decimals Two times of the third of three consecutive even integers is three times of the first. Then the second integer is 10 1 4 7 10 1 4 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive three integers be X, X + 2 and X + 4Then, 2(X + 4) = 3XX = 8Now X + 2 = 10The required second integer is 10
Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.34 0.28 0.32 0.30 0.34 0.28 0.32 0.30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence,(0.29)² - (0.01)²/0.3 = (0.29 + 0.01)(0.29 - 0.01)/0.3= (0.3 x 0.28)/0.3 = 0.28
Fractions and Decimals Which of the following fraction does not lie between 5/6 and 8/15? 6/7 2/3 4/5 3/4 6/7 2/3 4/5 3/4 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 Change 75/100 into decimal number. 75 0.75 750 7.5 75 0.75 750 7.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75/100 = 0.75
Fractions and Decimals ? % of 10.8 =32.4 300 600 500 100 300 600 500 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k % of 10.8=32.4 ⇒ (k x 10.8) / 100 = 32.4⇒ k = (32.4 x 100 )/10.8 = 300
Fractions and Decimals 3 x 0.3 x 0.03 x 0.003 x 30=? 0.2430 0.002430 0.02430 2.430 0.2430 0.002430 0.02430 2.430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 x 3 x 3 x 3 x 30 = 2430 ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal