Number System The sum of two numbers is 25 and their difference is 13. Find their product. 325 315 104 114 325 315 104 114 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 Find the average of the following set of scores 450, 1050, 12, 390, 143, 286, 550, 999 490 480 495 485 490 480 495 485 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Required average score = (450 + 1050 + 12 + 390 + 143 + 286 + 550 + 999) / 8 = 3880 / 8 = 485
Number System What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43883 70983 43983 43893 43883 70983 43983 43893 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
Number System Simplify the 121 * 175 + 363 * 275 363000 328100 316600 None of these 363000 328100 316600 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 121 * 175 + 363 * 275 => 121 * 175 + 121 * 3 * 275121 * 175 + 121 * 825= 121 * (175 + 825) = 121000
Number System In how many different ways can the letters of the word "MOBILIZE" be arranged ? 20160 17453 18456 19765 20160 17453 18456 19765 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The word MOBILIZE has eight letters in which I comes twice ∴ Number of arrangements = 8!/2! = 20160
Number System What is 846 times 323 ? 264258 293798 273258 283298 264258 293798 273258 283298 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 846 x 323 = 273258
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