Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 384 388 386 391 384 388 386 391 ANSWER DOWNLOAD EXAMIANS APP
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 20, 25 15, 20 21, 26 30, 25 20, 25 15, 20 21, 26 30, 25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
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: 18 81 42 24 18 81 42 24 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 If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 11/13 1/3 5/4 7/9 11/13 1/3 5/4 7/9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System Complete the series : 81, 69, 58, 48, 39 ........ 29 28 31 30 29 28 31 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
Number System In how many different ways can the letters of the word CORPORATION be arranged ? 3326400 None of these 2326400 1326400 3326400 None of these 2326400 1326400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP CORPORATION = 11 letters 'O' comes thrice,'R' twice.∴ total no. of ways = 111/3121 = 3326400
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