Number System 124, 235, 447, 760, 1174, ? 1589 1389 1689 1489 1589 1389 1689 1489 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System On converting the following base-2 numeral in base ten, 1101101, we get 109 108 106 107 109 108 106 107 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System The difference between 8% of a number and 3% of the same number is 39. What is 2.8% of that number ? 27.84 21.84 25.84 24.84 27.84 21.84 25.84 24.84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x(8 - 3)% = 39x = 3900/5 = 780∴ 2.8% of 780= 780 x 2.8/100 = 21.84
Number System A shopkeeper purchased 200 bulbs for Rs. 10 each. However, 5 bulbs were fused and had to be thrown away. The remaining were sold at Rs. 12 each. What will be percentage profit? 21 17 33 14 21 17 33 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 12
Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 355.4 375.4 365.4 345.4 355.4 375.4 365.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 5/7 = 145∴ x = 145 x 7/5 = 203Now, 203 x 180/100 = 365.4
Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 245 162 188 141 245 162 188 141 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
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