Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? 1.68 16.8 None of these 168 1.68 16.8 None of these 168 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 3 x 0.3 x 0.03 x 0.003 x 30=? 2.430 0.2430 0.002430 0.02430 2.430 0.2430 0.002430 0.02430 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 x 3 x 3 x 3 x 30 = 2430 ∴ 3 x 0.3 x 0.03 x 0.003 x 30 = 0.002430 (Six places of decimal
Fractions and Decimals Find the integer which when decreased by 2 is 80 times the reciprocal of the same number 12 13 10 11 12 13 10 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 √441.441 + √256.256 = ? 35 39 41 37 35 39 41 37 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √441.441 + √256.256= √441 + √256= (21 + 16) = 37
Fractions and Decimals 0.9 x 0.008=? 0.00072 0.72 None of these 0.072 0.00072 0.72 None of these 0.072 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 9 x 8=72∴ 0.09 x 0.008 = 0.00072 (Five place of decimal )
Fractions and Decimals Change 75/100 into decimal number. 0.75 75 7.5 750 0.75 75 7.5 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75/100 = 0.75