Fractions and Decimals How many digits will be there to the right of the decimal point in the product of 95.75 and 0.2554 ? 7 8 5 6 7 8 5 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum of the decimal places = 7 .Since the last digit to the extreme right will be zero ( 5 * 4 = 20), so there will be 6 significant digits to the right of the decimal point....
Fractions and Decimals 16.001 x 11.999 x 99.989 x 0.9 = ? 17280 20924 19347 18764 17280 20924 19347 18764 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16 x 12 x 100 x 0.9 ? = 17280
Fractions and Decimals (369.99)² = ? None of these 1369 1369 x 10 1369 x 10² None of these 1369 1369 x 10 1369 x 10² ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1369 x 10²
Fractions and Decimals If a fraction is multiplied by itself and then divided by the reciprocal of the same fraction, the result is 18 26/27. Find the fraction. 2 2/3 5 2/3 7 2/3 9 2/3 2 2/3 5 2/3 7 2/3 9 2/3 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the required fraction be P According to the question (P x P) / (1/P) = 18 26/27⇒ P³ = 512/27∴ P = 8/3 = 2 2/3
Fractions and Decimals (.356 x .365 - 2 x .365 x .106 + .106 x .106) / (.632 x .632 + 2 x .632 x .368 +.368 x .368) = ? 62.5 .0625 .625 6.25 62.5 .0625 .625 6.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = [(.356)² -2 x .356 x .106 + (.106)²] / [(.632)²+2 x .632 x .368 +(.368)²]= (a² -2ab + b²) / (c²+2cd+d²)= (a - b)² / (c + d)²= (.356 -.106)² / (.632 + .368)²= (.25)² = .0625
Fractions and Decimals 3889 + 12.952 - ? = 3854.002 4795 47.95 4.795 479.5 4795 47.95 4.795 479.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 3889 + 12.952 - x = 3854.002.Then x = (3889 + 12.952) - 3854.002 = 3901.952 - 3854.002 = 47.95.
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