Fractions and Decimals ( .009 / ?) = .01 0.9 0.009 0.09 9 0.9 0.009 0.09 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let .009 / x = .01; Then x = .009 / .01=.9 / 1= .9
Fractions and Decimals Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 2 6 3 4 2 6 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression=(a² - b²) / (a - b)=[(a + b)(a - b)] / (a - b)= (a + b)= (2.39 + 1.61)= 4
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 By how much does 7/(8/9) exceeds (7/8)/9 ? 6 7/9 8 7/9 5 7/9 7 7/9 6 7/9 8 7/9 5 7/9 7 7/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here, we have to find the value of 7/(8/9) - (7/8)/9.(7 x 9/8) - [(7/(8 x 9)]63/8 - 7/72[(63 x 9) - 7] / 72567 - 7/72 = 560/72 = 70/9 = 7 7/9.Hence, 7/(8/9) is greater than (7/8)/9 by 7 7/9.
Fractions and Decimals If two-third of two-seventh of a number is 60, then two-fifteenth of that number is 42 56 34 71 42 56 34 71 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be X.Then 2/3 x 2/7 x X =60X = 60 x 7 x 3 / 4 = 315Then, 2/15 of 315 = 2/15 x 315 = 42.Hence the required number is 42
Fractions and Decimals If √4096 =64 ,then the value of √40.96 + √0.4096 + √0.004096 + √0.00004096 is ? 71.104 711.04 .71104 7.1104 71.104 711.04 .71104 7.1104 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4096/100+ √4096/10000 + √4096/1000000 + √4096/100000000=√4096 / 10 + √4096/ 100 + √4096/ 1000 + √4096/ 10000=64/10 + 64/100 + 64/1000 + 64/10000=6.4 + .64 + .064 + .0064 = 7.1104
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