Number System 106 * 106 - 94 * 94 = ? 1906 1904 2000 2400 1906 1904 2000 2400 ANSWER DOWNLOAD EXAMIANS APP
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 9 5 2 6 9 5 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System If (35)² is added to the square of a number the answer so obtained is 1394. What is the number ? 15 13 11 17 15 13 11 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x Therefore, x² + (35)² = 1394Therefore, x² = 1394 - (35)² = 1394 - 1225 = 169Therefore, x = √169 = 13
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 75 76 77 78 75 76 77 78 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 5 3 7 9 5 3 7 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System 432+2170+35=? 523 678 729 494 523 678 729 494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
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