Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 121 111 101 131 121 111 101 131 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be xTherefore x² + (182)² = 47765Therefore x² = 47765 - (182)2 = 47765 - 33124Therefore x² = 14641, Therefore x = 121
Number System In a two-digit number, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is: 46 26 24 42 46 26 24 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x. Then, unit's digit = x + 2. Number = 10x + (x + 2) = 11x + 2 Sum of digits = x + (x + 2) = 2x + 2 (11x + 2)(2x + 2) = 144 2x2 + 26x - 140 = 0 (x - 2)(11x + 35) = 0 x = 2Hence, required number = 11x + 2 = 24.
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 12, 9 12, 7 10, 5 11, 6 12, 9 12, 7 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the number which multiplied by 15 is increased by 196. 26 20 28 14 26 20 28 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,15x - x = 196x = 14
Number System 56.21 +2.36+5.41 —21.4+1.5=? 44.08 54.08 34.08 64.08 44.08 54.08 34.08 64.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
EXAMIANS