Fractions and Decimals If 1.5x = 0.04y, then the value of ( (y - x) / (y+x) ) is : 71/74 61/63 65/67 73/77 71/74 61/63 65/67 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x / y = 0.04 / 1.5 = 4 / 150 = 2 / 75.= > ( (y - x) / (y+x) ) = (1 - (x / y)) / ( 1 + ( x / y)) = (1 - 2/75) / (1 + 2/75) = 73/77.
Fractions and Decimals 0.001 / ? = 0.01 0.001 0.01 None of these 0.1 0.001 0.01 None of these 0.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.001 / x = 0.01 Then , x = 0.001 / 0.01 = 0.001 / 0.010= 1 / 10 = 0.1
Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 0.310324250 0.0310324250 31.0324250 3.10324250 0.310324250 0.0310324250 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 Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 4 6 3 2 4 6 3 2 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 How many digits will be there to the right of the decimal point in the product of 95.75 and 0.2554 ? 5 8 6 7 5 8 6 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum of the decimal places = 7 .Since the last digit to the extreme right will be zero ( 5 * 4 = 20), so there will be 6 significant digits to the right of the decimal point....
Fractions and Decimals [12 / (0.09 of 0.3)] x 2=? 800/90 8000/9 800/9 8000/90 800/90 8000/9 800/9 8000/90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = ( 12/ 0.027) x 2= ( 12 / 0.027) x 2 = 24000/27 = 8000/9
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