Number System If 5/7 of a number is 145, what is 180% of that number ? 345.4 365.4 375.4 355.4 345.4 365.4 375.4 355.4 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 What is the sum of all the composite numbers up to 20? 130 131 132 128 130 131 132 128 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
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 24.84 25.84 27.84 21.84 24.84 25.84 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 What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? 8888 8881 8884 8882 8888 8881 8884 8882 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Series is (No. + 9²) x 2, (+8²) x 2, (+7²) x 2, (+6²) x 2.......
Number System On converting the following base-2 numeral in base ten, 1101101, we get 106 107 108 109 106 107 108 109 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1250 1300 1375 1200 1250 1300 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
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