Fractions and Decimals 25 / .0005 = ? 500000 500 50000 5000 500000 500 50000 5000 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25 / .0005= 250000 / 5= 50000
Fractions and Decimals If √5 = 2.24, then the value of 3√5 / 2√5 - 0.48 is ? 168 16.8 1.68 None of these 168 16.8 1.68 None of these 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 The expression (11.98 * 11.98 + 11.98 * (x) + 0.02 * 0.02) will be a perfect square for x equal to : None of these 0.04 0.4 4 None of these 0.04 0.4 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given = (11.98)^2 + (0.02)^2 + 11.98 * x. For the given expression to be a perfect square, we must have11.98 * x = 2 * 11.98 * 0.02=> x = 0.04
Fractions and Decimals \15.60 x 0.30=? 46.8 4.68 40.68 468 46.8 4.68 40.68 468 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 1560 x 30 = 46800∴ 15.60 x 0.30 = 4.6800= 4.68 ( Four places of decimal )
Fractions and Decimals ? % of 10.8 =32.4 300 600 100 500 300 600 100 500 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let k % of 10.8=32.4 ⇒ (k x 10.8) / 100 = 32.4⇒ k = (32.4 x 100 )/10.8 = 300
Fractions and Decimals If √0.05 x 0.5 x a = 0.5 x 0.05 x √b, then a/b = ? .025 25 .0025 .00025 .025 25 .0025 .00025 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given expression = √0.5 x .5 x a = .5 x .05 x √ b⇒ √.025 x a = 0.25 x ⇒ b⇒ 0.025a = 0.25 x .025 x b∴ a/b = (.025 x .025) /.025 = .025
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