Fractions and Decimals What decimal of an hour is a second 0.0027 0.0028 0.0025 0.0026 0.0027 0.0028 0.0025 0.0026 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1 / (60 * 60) = 1 / 3600 = .0027
Fractions and Decimals Find the integer which when decreased by 2 is 80 times the reciprocal of the same number 12 11 10 13 12 11 10 13 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 9.724 ÷ 100 = ? 0.9724 None of these 9.724 0.09724 0.9724 None of these 9.724 0.09724 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9.724 ÷ 100 = 0.09724Shift decimal two palaces to the left. i.e 100
Fractions and Decimals Correct expression of 6.46 is 646/9999 646/9 646/999 646/99 646/9999 646/9 646/999 646/99 ANSWER DOWNLOAD EXAMIANS APP
Fractions and Decimals (10.3 * 10.3 * 10.3 + 1)/(10.3 * 10.3 - 10.3 + 1) is : 11.3 111.3 1.3 None of these 11.3 111.3 1.3 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP a^3 + b^3 = (a+ b) * (a^2 + b^2 - ab)..( (10.3)^3 + (1)^3 ) / ((10.3)^2 + (1)^2 - (1 * 10.3))=> a + b = 10.3 + 1 = 11.3
Fractions and Decimals 9.99 x 9.9 x 9 ÷ 9.9 ÷ 0.3 = ? 4.44 2.22 1.11 3.33 4.44 2.22 1.11 3.33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (9.99 x 9.9 x 9)/(9.9 x 0.9 x 0.3) = 3.33
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