Fractions and Decimals 138.009 + 341.981 - 146.305 = 123.6 + ? 210.085 21.0085 2.10085 21.0085 210.085 21.0085 2.10085 21.0085 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 138.009 + 341.981 - 146.305 = 123.6 + zThen, z = (138.09+341.981) - (146.305+123.6)= 479.99 - 269.905 = 210.085
Fractions and Decimals 8.32 x 0.999 = ? 831.168 83.1168 8311.68 8.31168 831.168 83.1168 8311.68 8.31168 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 the numerator of a fraction is increased by 2 and denominator is increased by 3, the faction becomes 7/9 and if numerator as well as denominator are decreased by 1, the fraction becomes 4/5. What i 5/6 5/8 5/4 5/10 5/6 5/8 5/4 5/10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numerator and denominator be p and q respectively.Then, (p + 2) / (q + 3) = 7/9⇒ 9(p + 2) = 7(q +3)⇒ 9p - 7q = 3 ....(i)Again, (p - 1) / (q - 1) = 4/5⇒ 5p - 4q = 1 ....(ii)Solving (i) and (ii) we get,p = 5, q = 6Required fraction = 5/6
Fractions and Decimals The value of [0.1 x 0.1 x 0.1 + 0.02 x 0.02 x 0.02] / [0.2 x 0.2 x 0.2 + 0.04 x 0.04 x 0.04] is: 1.25 0.125 125 12.5 1.25 0.125 125 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression=[(0.1)³ + (0.02)³] / 2³ [(0.1)³ + (0.02)³]=1/8= 0.125
Fractions and Decimals If √15 = 3.88, the value of √5/3 is ? 1.29 12.9 1290 129 1.29 12.9 1290 129 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √5/3 = √15/9= √15/3= 3.88/3 = 1.29
Fractions and Decimals The place value of 3 in 0.07359 is ? 0.03 0.003 0.3 0.0003 0.03 0.003 0.3 0.0003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The place value of 3 in the given decimal fraction is .003 i.e. 3/1000.
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