Fractions and Decimals (44.99)² - (15.01)² = ? 700 1100 1500 1800 700 1100 1500 1800 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a² - b² = (a + b)(a - b)Hence, (44.99)² - (15.01)² = (44.99 + 15.01)(44.99 - 15.01)= 60 x 29.98 = 60 x 30 = 1800
Fractions and Decimals In a polling booth, total number of voters is 1575 out of which 0.4 part are male voters. If a candidate gets 0.4 part of female votes, then find how many votes did the candidate get ? 556 456 756 656 556 456 756 656 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of male voters = 4/10 of 1575 = 4/10 x 1575 = 630 Number of female voters=1575 - 630 = 945 Now, total votes that candidate got = (6/10) x 630 + (4/10) x 945 = 378 + 378 = 756
Fractions and Decimals Which of the following fractions is greater than 3 /4 and less than 5 / 6 ? 5/6 3/4 1/2 4/5 5/6 3/4 1/2 4/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 /4 = 0.75, 5/6 = 0.833,1/2 = .5,2/3 = 0.66, 4/5 = 0.8,9/10 = 0.9.clearly 0.8 lies between 0.75 and .833.4/5 lies between 3/4 and 5/6.
Fractions and Decimals (.23 - .023) / ( .0023 / 23 ) = ? 207 2070 2077 2770 207 2070 2077 2770 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (.23 - .023) / ( .0023 / 23 ) = .207 / (.0023 / 23) = .207 / .0001=.2070 / .0001 = 2070
Fractions and Decimals What decimal fraction is 40 ml of a litre ? 4 .04 .0004 .004 4 .04 .0004 .004 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required fraction = 40/1000= 4/100 = .04
Fractions and Decimals Which of the following fraction are in ascending order ? 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 11/14, 16/19, 17/22 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.