Fractions and Decimals 3889 + 12.952 - ? = 3854.002 4795 47.95 479.5 4.795 4795 47.95 479.5 4.795 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.
Fractions and Decimals √441.441 + √256.256 = ? 37 41 35 39 37 41 35 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √441.441 + √256.256= √441 + √256= (21 + 16) = 37
Fractions and Decimals A boy on being asked 13/14 of a certain fraction had made the mistake of dividing the fraction by 14/13 and so got an answer that exceeded the correct answer by 3/65. The correct fraction is ? 16/45 13/45 None of these 19/45 16/45 13/45 None of these 19/45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the fraction be N.Then, N / (13/14) - (13/14) x N = 3/65⇒ 14N/13 - 13N/14 = 3/65⇒ (196N - 169N)/182 = 3/65⇒ 27N/182 = 3/65∴ N = (3 x 182) / (27 x 65) = 14/45So, correct answer will be (13/14) x (14/45) = 13/45
Fractions and Decimals The value of 47 / 10000 is ? 0.0047 0.47 0.00047 0.047 0.0047 0.47 0.00047 0.047 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 47/10000 = .0047
Fractions and Decimals If x/y = 0.3, then (2x - y)/(2x + y) = ? 0.25 0.5 0.15 0.5 0.25 0.5 0.15 0.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x = 0.3y Then, (y - 2x)/(y + 2x)= y - 2(0.3y)/y + 2(0.3y)= y - 0.6y/y + 0.6y= 0.4y/1.6y= 0.4/1.6 = 0.25
Fractions and Decimals Convert 0.34 in to a vulgar fraction ? 17/25 17/100 17 17/50 17/25 17/100 17 17/50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.34 = 34/100 = 17/50