Fractions and Decimals 9.99 x 9.9 x 9 ÷ 9.9 ÷ 0.3 = ? 4.44 2.22 3.33 1.11 4.44 2.22 3.33 1.11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (9.99 x 9.9 x 9)/(9.9 x 0.9 x 0.3) = 3.33
Fractions and Decimals When .36 is written in simplest fractional form, the sum of the numerator and the denominator is : 29 23 34 37 29 23 34 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.36 = 36 / 100 = 9 / 25. Sum of Numerator and Denominator = 9 + 25 = 34.
Fractions and Decimals In a village, (5/8)th of the population are adults,half of the adults are male,(4/5)th of adult females are illiterate. if 400 females are illiterate, then the population of the village is ? 400 800 200 1600 400 800 200 1600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the population of village = N Then, adult's population = 5N/8and adult females = 1/2 x 5N/8 = 5N/16 ∴ illiterate females = 4/5 of adult female population ⇒ 400 = 4/5 x 5N/16 ⇒ N = (400 x 16)/4∴ N = 1600
Fractions and Decimals 0.9 x 0.008=? 0.72 0.072 0.00072 None of these 0.72 0.072 0.00072 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 12276 / 155 = 79.2 the value of 122.76 / 15.5 is ? 0.792 7.92 79.2 792 0.792 7.92 79.2 792 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 122.76 / 15.50 = 12276/1550= (12276 / 155) x (1/10) = 79.2 / 10 = 7.92
Fractions and Decimals (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) = ? .0625 62.5 6.25 .625 .0625 62.5 6.25 .625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(.356)² -2 x .356 x .106 + (.106)²] / [(.632)²+2 x .632 x .368 +(.368)²]= (a² -2ab + b²) / (c²+2cd+d²)= (a - b)² / (c + d)²= (.356 -.106)² / (.632 + .368)²= (.25)² = .0625
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