Number System The sum of two numbers is 25 and their difference is 13. Find their product. 114 325 315 104 114 325 315 104 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 What is the value of 8/11 of 5/7 of 96% of 28875 ? 15400 13800 12900 14400 15400 13800 12900 14400 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = 8 x 5 x 96 x 28875/11 x 7 x 100 = 14400
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 6489 2893 2883 3892 6489 2893 2883 3892 ANSWER DOWNLOAD EXAMIANS APP
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 8 3.5 6 None of these 8 3.5 6 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1280 1240 1300 1260 1280 1240 1300 1260 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System (4 86%of 6500) ÷ 36 =? 877.5 977.5 777.5 677.5 877.5 977.5 777.5 677.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
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