Fractions and Decimals If 12276 / 155 = 79.2 the value of 122.76 / 15.5 is ? 7.92 79.2 0.792 792 7.92 79.2 0.792 792 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 122.76 / 15.50 = 12276/1550= (12276 / 155) x (1/10) = 79.2 / 10 = 7.92
Fractions and Decimals Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 6 2 3 4 6 2 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression=(a² - b²) / (a - b)=[(a + b)(a - b)] / (a - b)= (a + b)= (2.39 + 1.61)= 4
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 5/10 5/6 5/8 5/4 5/10 5/6 5/8 5/4 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 Which of the following fraction are in ascending order ? 11/14, 16/19, 17/22 16/19, 17/22, 11/14 16/19, 11/14, 17/22 17/22, 11/14, 16/19 11/14, 16/19, 17/22 16/19, 17/22, 11/14 16/19, 11/14, 17/22 17/22, 11/14, 16/19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 16/19 =0.842,11/14 =0.785 and 17/22 = 0.772∴ 0.772 < 0.785 < 0.842or 17/22 < 11/14 < 16/19.
Fractions and Decimals (.538 x .538 - .462 x .462) / (1-.924) = ? 31 21 1 11 31 21 1 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [ (.538)² - (.462)² ] / .076 = [(.538 + .462)(.538 - .462)] /.076=.076 / .076 = 1
Fractions and Decimals \15.60 x 0.30=? 4.68 46.8 40.68 468 4.68 46.8 40.68 468 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 1560 x 30 = 46800∴ 15.60 x 0.30 = 4.6800= 4.68 ( Four places of decimal )