Fractions and Decimals If 12276 / 155 = 79.2 the value of 122.76 / 15.5 is ? 792 0.792 7.92 79.2 792 0.792 7.92 79.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 122.76 / 15.50 = 12276/1550= (12276 / 155) x (1/10) = 79.2 / 10 = 7.92
Fractions and Decimals (4.5 x 3.7 + 4.5 x 6.3)/(1.5 x 8.4 - 1.5 x 7.4) = ? 20 30 5 10 20 30 5 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4.5 x 3.7 + 4.5 x 6.3)/(1.5 x 8.4 - 1.5 x 7.4) = 4.5 x (3.7 + 6.3)/1.5 x (8.4 - 7.4) = 4.5 x 10/1.5 x 1 = 30
Fractions and Decimals What decimal fraction is 40 ml of a litre ? .004 4 .0004 .04 .004 4 .0004 .04 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
Fractions and Decimals [12 / (0.09 of 0.3)] x 2=? 8000/9 800/90 800/9 8000/90 8000/9 800/90 800/9 8000/90 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = ( 12/ 0.027) x 2= ( 12 / 0.027) x 2 = 24000/27 = 8000/9
Fractions and Decimals If 3 is added to the denominator of a fraction, it becomes 1/3 and if 4 be added to its numerator, It becomes 3/4, then fraction is ? 5/12 3/20 1/16 None of these 5/12 3/20 1/16 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the required fraction be p/q∵ p / (q + 3) = 1/3⇒ 3p - q = 3 ...(i)and, (p + 4) / q = 3/4 ⇒ 4p - 3q = -16 ...(ii)Solving these equations, we get p = 5, q = 12∴ Required fraction = 5/12
Fractions and Decimals 3 x 0.3 x 0.03 x 0.003 x 30=? 0.002430 0.02430 2.430 0.2430 0.002430 0.02430 2.430 0.2430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 x 3 x 3 x 3 x 30 = 2430 ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal
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