Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 75 54 64 88 75 54 64 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
Number System The difference between a two-digit number and the number obtained after interchanging its two digits is 36. The sum of the two digits of the number is 12. Find the lowest such possible number. 47 48 49 50 47 48 49 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the digits be x and yTherefore, x + y = 12 .............(1)(10y + x) - (10x + y) Therefore, y - x = 4............. (2)Solving (1) and (2), y = 8 Therefore, x = 4There are two possible numbers 48 and 84. So the lowest no. is 48.
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 678 652 689 692 678 652 689 692 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System In how many different ways can the letters of the word 'DETERMINE' be arranged ? 60480 62480 61480 63480 60480 62480 61480 63480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP No. of arrangements = 9! / 3! Because, E comes 3 times = 60480
Number System Find the least value of 3x + 4y if x2y3 = 6. 10 3 7 6 10 3 7 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10