Fractions and Decimals 51.3 + 7.078 +1.38 + 0.9 = ? 50.658 80.658 70.658 60.658 50.658 80.658 70.658 60.658 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 51.300 + 7.078 + 1.380 + 0.900 = 60.658
Fractions and Decimals 16.7 + 12.38 - ? =10.09 16.99 18.99 14.99 20.99 16.99 18.99 14.99 20.99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 16.7 + 12.38 - x =10.09∴ x = 16.7 + 12.38 - 10.09 = 18.99
Fractions and Decimals 0.9 x 0.008=? 0.00072 0.072 0.72 None of these 0.00072 0.072 0.72 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 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 ? 3/20 None of these 5/12 1/16 3/20 None of these 5/12 1/16 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 3.5 + 21 x 1.3 = ? 30.8 24.8 26.8 28.8 30.8 24.8 26.8 28.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = Given Expression = 3.5 + 21 x 1.3 = 3.5 + 27.3 = 30.8
Fractions and Decimals 3420 / 19 = ( ? / 0.01) x 7 9/30 9/35 9/45 9/40 9/30 9/35 9/45 9/40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3420 / 19 = (y / 0.01) x 7Then , y = ( 3420 / 19) x (0.01 / 7) = 180 / 700 = 9/35