Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? .00025 .025 .0025 25 .00025 .025 .0025 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
Fractions and Decimals ? % of 10.8 =32.4 600 500 100 300 600 500 100 300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k % of 10.8=32.4 ⇒ (k x 10.8) / 100 = 32.4⇒ k = (32.4 x 100 )/10.8 = 300
Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 16.13 161.3 1613 1.613 16.13 161.3 1613 1.613 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression =(13.065)²-(3.065)² =(13.065 + 3.065) x (13.065 - 3.065)=16.13 x 10 = 161.3
Fractions and Decimals When .36 is written in simplest fractional form, the sum of the numerator and the denominator is : 29 37 34 23 29 37 34 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36 / 100 = 9 / 25. Sum of Numerator and Denominator = 9 + 25 = 34.
Fractions and Decimals Which of the following fractions is greater than 3/4 and less than 5/6? 2/3 9/10 4/5 1/2 2/3 9/10 4/5 1/2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 = 0.75, 5/6= 0.833, 1/2= 0.5, 2/3= 0.66,4/5= 0.8, 9/10= 0.9. Clearly, 0.8 lies between 0.75 and 0.833.4/5 lies between 3/4 and 5/6.
Fractions and Decimals What decimal fraction is 40 ml of a litre ? .0004 .004 .04 4 .0004 .004 .04 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
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