Fractions and Decimals 0.9 x 0.008=? 0.00072 0.72 None of these 0.072 0.00072 0.72 None of these 0.072 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
Fractions and Decimals If 1.5 x a = 0.04 x b then the value of (b - a) / ( b + a) is ? 73/770 73/77 None of these 730/77 73/770 73/77 None of these 730/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a / b = 0.04 / 1.5 = 4 / 150 = 2 / 75∴ Given Exp. (b - a) / ( b + a)= (1- a/b ) / (1 + a/b) = (1- 2 / 75) / (1 + 2 / 75)= ( 73/75 ) / ( 77/75)= 73/77
Fractions and Decimals ( .009 / ?) = .01 0.09 9 0.009 0.9 0.09 9 0.009 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let .009 / x = .01; Then x = .009 / .01=.9 / 1= .9
Fractions and Decimals 54.327 x 357.2 x 0.0057 is same as 5.4327 x 3.572 x 0.57 54327 x 3572 x 0.0000057 5.4327 x 3.572 x5.7 543.27 x 35.72 x 000.57 5.4327 x 3.572 x 0.57 54327 x 3572 x 0.0000057 5.4327 x 3.572 x5.7 543.27 x 35.72 x 000.57 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of decimal places in the given expression = 8Number of decimal places in (A) = 8Number of decimal places in (B) = 9 Number of decimal places in (C)= 7Clearly , the expression in (A) is the same as the given Expression.
Fractions and Decimals If 2994 ÷ 14.5 = 172, then 29.94 ÷ 1.45 = ? 1.72 None of these 17.2 172 1.72 None of these 17.2 172 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 29.94 / 1.45 = 299.4 / 14.5 = [(2994 /14.5) x (1 / 10)] [ Here, Substitute 172 in the place of 2994/14.5 ]=172 / 10= 17.2
Fractions and Decimals 8.32 x 0.999 = ? 8.31168 83.1168 831.168 8311.68 8.31168 83.1168 831.168 8311.68 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
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