Fractions and Decimals Evaluate : [(2.39)² - (1.61)²] / [2.39 - 1.61] 3 4 2 6 3 4 2 6 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 (0.16)² - (0.12)² = ? 0.0112 1.12 .112 11.2 0.0112 1.12 .112 11.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = a² - b² = (a + b)(a - b)Hence, (0.16)² - (0.12)²= (0.16 + 0.12)(0.16 - 0.12)= 0.28 x 0.04 = 0.0112
Fractions and Decimals When 52416 divided by 312 , the quotient is 168. What will be the quotient when 52.416 is divided by 0.0168 ? 3120 312000 312 31200 3120 312000 312 31200 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given, 52416 / 312 = 168.<=> 52416 / 168 = 312.52.416 / 0.0168 = 524160 / 168 = 3120.
Fractions and Decimals What decimal of an hour is a second 0.0027 0.0025 0.0028 0.0026 0.0027 0.0025 0.0028 0.0026 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals If √15 = 3.88, the value of √5/3 is ? 12.9 1290 1.29 129 12.9 1290 1.29 129 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √5/3 = √15/9= √15/3= 3.88/3 = 1.29
Fractions and Decimals A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out this cloth ? 300 450 150 600 300 450 150 600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Length of each piece = (1/8) m = 0.125 mRequired no of pieces = (37.5/0.125) = (375 * 100) / 125 = 300.
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