Number System If (17)3 is subtracted from the square of a number, the answer so obtained is 2143. What is the number ? 82 83 84 81 82 83 84 81 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (17*17*17) = 2143or x² = 2143 + 4913 = 7056∴ x = 84
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 48 56 36 52 48 56 36 52 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 76 77 75 78 76 77 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System Sum of two numbers is 80. Greater number exceeds by 5 from four times of the smaller. Find the numbers? 60, 20 62, 18 64, 16 65, 15 60, 20 62, 18 64, 16 65, 15 ANSWER DOWNLOAD EXAMIANS APP
Number System 74698 + 365 + 85213 + 95 = ? 160341 160361 160371 160351 160341 160361 160371 160351 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 74698 + 365 + 85213 + 95 = 160371
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 2893 2883 3892 6489 2893 2883 3892 ANSWER DOWNLOAD EXAMIANS APP
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