Number System A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is: 81 42 24 18 81 42 24 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's and unit's digit be x and 8/x respectively. Then, (10x + 8/x) + 18 = 10 * 8/x + x 9x2 + 18x - 72 = 0 x2 + 2x - 8 = 0 (x + 4)(x - 2) = 0 x = 2 So, ten's digit = 2 and unit's digit = 4. Hence, required number = 24.
Number System What is the missing number in this series? 8 2 14 6 11 ? 14 6 18 12 3 9 7 2 3 9 7 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 9
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.584 8.484 8.784 8.684 8.584 8.484 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System If HKUJ means FISH, what does UVCD mean ? STAM STAK STAB STAR STAM STAK STAB STAR ANSWER EXPLANATION DOWNLOAD EXAMIANS APP STAB
Number System ?2704 x ?2209=? 1444 2444 3444 4444 1444 2444 3444 4444 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2444
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2504 2510 2520 2508 2504 2510 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
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