Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.34 0.30 0.32 0.28 0.34 0.30 0.32 0.28 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 5 x 0.25 x 6.301 x 0.00394=? 0.0310324250 0.310324250 31.0324250 3.10324250 0.0310324250 0.310324250 31.0324250 3.10324250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here 5 x 25 x 6301 x 394=310324250Total decimal places = (2+3+5) = 10 ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250
Fractions and Decimals By how much does 7/(8/9) exceeds (7/8)/9 ? 5 7/9 6 7/9 7 7/9 8 7/9 5 7/9 6 7/9 7 7/9 8 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 8.32 x 0.999 = ? 831.168 8311.68 8.31168 83.1168 831.168 8311.68 8.31168 83.1168 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 8.32 x 0.999= 8.32 x (1-0.001) = 8.32 - 8.32 x 0.001=8.32 - .00832 = 8.31168
Fractions and Decimals 0.6 + 0.66 + 0.066 + 6.606 = ? 793.2 7.932 79.32 7932 793.2 7.932 79.32 7932 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.6 + 0.66 + 0.066 + 6.606= 0.600 + 0.660 + 0.066 + 6.660= 7.932
Fractions and Decimals What decimal fraction is 40 ml of a litre ? .004 .0004 .04 4 .004 .0004 .04 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
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