Fractions and Decimals 13.065 x 13.065 - 3.065 x 3.065 =? 1.613 1613 161.3 16.13 1.613 1613 161.3 16.13 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 By how much is four-seventh of 560 greater than five-eighth of 400? 60 40 50 70 60 40 50 70 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We have to find, the value of 4/7 of 560 - 5/8 of 400.4/7 x 560 - 5/8 x 400 = (4 x 80) - (5 x 50) = 320 - 250 = 70Hence, four-seventh of 560 is greater than five-eighth of 400 by 70.
Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? 16.8 168 None of these 1.68 16.8 168 None of these 1.68 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
Fractions and Decimals 0.8 x ? =0.0004 0.0005 0.005 0.05 0.00005 0.0005 0.005 0.05 0.00005 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 0.8y = 0.0004Then,y = 0.0004 / 0.8 = 0.004 / 8= .0005
Fractions and Decimals If 2805 / 2.55 = 1100, then 280.5 / 25.5 is equal to ? 21 31 11 41 21 31 11 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression 280.5 / 25.5 = 2805 / 255= 2805 / (2.55 x 100) = 1100 / 100 =11
Fractions and Decimals What will come in place of question mark in the following equation ? 54.(?)3 + 543 + 5.43 = 603.26 3 8 5 7 3 8 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x + 543 + 5.43 = 603.26.Then, x = 603.26 - (543 + 5.43) = 603.26 - 548.43 =54.83Missing digit = 8.
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