Fractions and Decimals What will be the value of (25.732)² - (15.732)² 420.64 414.64 418.64 416.64 420.64 414.64 418.64 416.64 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Can be easily solved with following formula= (25.732 - 15.732 ) x (25.732 + 15.732)=414.64
Fractions and Decimals (.896 x .752 +.896 x .248) / (.7 x .034 + .7 x.966) = ? 1.31 1.33 1.25 1.28 1.31 1.33 1.25 1.28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = (.896 x .752 +.896 x .248) / (.7 x .034 + .7 x.966)=.[896 x (.752+.248)] / [.7 x (.034+.966)] = .(896 x 1) / ( .700 x 1)=896/700 = 1.28
Fractions and Decimals 16.7 + 12.38 - ? =10.09 14.99 20.99 18.99 16.99 14.99 20.99 18.99 16.99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 16.7 + 12.38 - x =10.09∴ x = 16.7 + 12.38 - 10.09 = 18.99
Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 16.13 1.613 161.3 1613 16.13 1.613 161.3 1613 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 [(0.87)³ + (0.13)³] / [(0.87)² - 0.87 x 0.13 + (0.13)²] = ? 2 1 3 4 2 1 3 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Expression = ( a³ + b³ )/ (a² + b² - ab) where = 0.87 and b = 0.13= [(a + b ) (a² + b² - ab)] / (a² + b² - ab) = a + b = 0.87 + 0.13= 1
Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? None of these 1.68 168 16.8 None of these 1.68 168 16.8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = 3√5 / 2√5 - 0.48= (3 x 2.24) / (2 x 2.24) - 0.48= 6.72 / 4.48 - 0.48 = 6.72 / 4 = 1.68