Fractions and Decimals ( 20 + 8 x 0.5 ) / ( 20 - ? ) = 12 18 20 16 14 18 20 16 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let (20 + 8 x 0.5) / ( 20 - y) =12Then, 24 =12 x (20 - y)∴ 12y = 216⇒ y = 18
Fractions and Decimals If two-third of two-seventh of a number is 60, then two-fifteenth of that number is 56 42 34 71 56 42 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 0.12 ÷ x² = 12, than x = ? 0.1 0.01 10 0.001 0.1 0.01 10 0.001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.12 ÷ x² = 12 => 0.12/x² = 12=> x² = 0.12/12 = 0.01 => x = 0.1
Fractions and Decimals Correct expression of 6.46 is 646/9999 646/999 646/9 646/99 646/9999 646/999 646/9 646/99 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals 8.32 x 0.999 = ? 83.1168 8311.68 8.31168 831.168 83.1168 8311.68 8.31168 831.168 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 If √15 = 3.88, the value of √5/3 is ? 129 12.9 1290 1.29 129 12.9 1290 1.29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √5/3 = √15/9= √15/3= 3.88/3 = 1.29
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