Fractions and Decimals Find the integer which when decreased by 2 is 80 times the reciprocal of the same number 13 10 12 11 13 10 12 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be X Decreasing 2 from XX - 2 = 80 x (1/X)X^2 - 2X = 80X^2 -2x -80 = 0(X-10)(X+8) = 0x=10,-8X has two values, but among the given options X value should be 10
Fractions and Decimals 5 x 0.25 x 6.301 x 0.00394=? 31.0324250 0.0310324250 0.310324250 3.10324250 31.0324250 0.0310324250 0.310324250 3.10324250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here 5 x 25 x 6301 x 394=310324250Total decimal places = (2+3+5) = 10 ∴ 5 x 0.25 x 6.301 x 0.00394 = 0.0310324250
Fractions and Decimals 450.271 + 369.422 ÷ 0.03 - 108.612 x 2.001 = ? 13532 14532 12532 15532 13532 14532 12532 15532 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 450.271 + (369.422 ÷ 0.03) - (108.612 x 2.001)= 450 + 369/0.03 - (109 x 2) = 450 + 12300 - 218 = 12532
Fractions and Decimals The greatest fraction out of 2/5, 5/6, 11/12 and 7/8 is ? 2/5 11/12 7/8 5/6 2/5 11/12 7/8 5/6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2/5 = 0.4 , 5/6 = 0.833, 11/12 = 0.916 and 7/8 = 0.875Clearly, the greatest fraction is 0.916, i, e . 11/12.
Fractions and Decimals 6 x 0.6 x 0.06 x 0.006 x 60 = ? 7.776 0.07776 0.7776 77.76 7.776 0.07776 0.7776 77.76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6 x 6/10 x 6/100 x 6/1000 x 60 = 77760/1000000 = 7776/100000 = 0.07776
Fractions and Decimals 617 + 6.017 + 0.617 + 6.0017 = ? 329.6357 529.6357 429.6357 629.6357 329.6357 529.6357 429.6357 629.6357 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 617.00 6.017 0.617 + 6.0017 -------- 629.6357 ---------
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