Number System (444 x 44 x 4) ÷ 40 ? 2153.6 2053.6 1853.6 1953.6 2153.6 2053.6 1853.6 1953.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 444 x 44 x 4/40 = 1953.6
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 24 25 26 23 24 25 26 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System When 102 is reduced from a number, the number gets reduced by 88%. What is that number ? 750 550 650 850 750 550 650 850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 850
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 6 3.5 8 None of these 6 3.5 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System The difference between a number and its three-fifth is 50. What is the number? 100 125 None of these 75 100 125 None of these 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System A number consists of 3 digit whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is: 253 370 145 352 253 370 145 352 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the middle digit be x. Then, 2x = 10 or x = 5.So, the number is either 253 or 352. Since the number increases on reversing the digits, so the hundred's digit is smaller than the unit's digit. Hence, required number = 253.
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