Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 92 95 99 103 92 95 99 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 7 8 60 12 7 8 60 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System Simplify the 121 * 175 + 363 * 275 363000 None of these 328100 316600 363000 None of these 328100 316600 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System 3251 + 587 + 369 - ? = 3007 1375 1200 1300 1250 1375 1200 1300 1250 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4207 - x = 3007 Then, x = 4207 - 3007 = 1200
Number System (1024—263—233)÷(986—764— 156) =? None of these 8 6 10 None of these 8 6 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System What is the greater of the two numbers whose product is 2560, given that the sum of the two numbers exceeds their difference by 64? 110 100 90 None of these 110 100 90 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the greater and the smaller number be g and s respectively.gs = 2560g + s exceeds g - s by 64 i.e., g + s - (g - s) = 64i.e., 2s = 64 => s = 32.g = 2560/s = 80.
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