Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 775 750 640 725 775 750 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System On converting the following base-2 numeral in base ten, 1101101, we get 108 106 109 107 108 106 109 107 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
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 50 49 47 48 50 49 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 What is 846 times 323 ? 293798 264258 283298 273258 293798 264258 283298 273258 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
Number System The sum of two numbers is 25 and their difference is 13. Find their product. 104 114 325 315 104 114 325 315 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then x + y = 25 and x - y = 13.x = 19; y = 6xy = 19 * 6 = 114
Number System If (182)² is added to the square of a number, the answer so obtained is 47765. What is the number ? 111 131 121 101 111 131 121 101 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
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