Number System 217 * 217 + 183 * 183 = ? 80698 80578 79698 81268 80698 80578 79698 81268 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between a positive proper fraction and its reciprocal is 9/20. The fraction is: 5/4 4/5 3/10 3/5 5/4 4/5 3/10 3/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1/x - x = 9/20 20x2 + 9x - 20 = 0 20x2 + 25x - 16x - 20 = 0 5x(4x + 5) -4(4x + 5) = 0(4x + 5)(5x - 4) = 0x = 4/5
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 7, 8 9, 6 10, 5 6, 9 7, 8 9, 6 10, 5 6, 9 ANSWER DOWNLOAD EXAMIANS APP
Number System On converting the following base-2 numeral in base ten, 1101101, we get 107 109 108 106 107 109 108 106 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 21 27 24 36 21 27 24 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 17 16 15 18 17 16 15 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
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