Fractions and Decimals (0.29)2 - (0.01)2/0.3 = ? 0.28 0.34 0.30 0.32 0.28 0.34 0.30 0.32 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 If two-third of two-seventh of a number is 60, then two-fifteenth of that number is 42 71 56 34 42 71 56 34 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 3889 + 12.952 - ? = 3854.002 479.5 4795 47.95 4.795 479.5 4795 47.95 4.795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.
Fractions and Decimals 12.1212 + 17.0005 - 9.1102 = ? 2.00115 20.0115 200.115 2001.15 2.00115 20.0115 200.115 2001.15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression,= (12.1212 + 17.0005) - 9.1102= (29.1217 - 9.1102)= 20.0115.
Fractions and Decimals 0.9 x 0.008=? 0.00072 0.72 0.072 None of these 0.00072 0.72 0.072 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
Fractions and Decimals Which of the following fraction is the smallest ? 3/7 11/13 5/7 9/11 3/7 11/13 5/7 9/11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 11/3 = 0.846,9/11 = 0.818,3/4 = 0.75 and 5/7 = 0.714Clearly, 0.714 is the smallest and hence 5/7 is smallest fraction .
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