Number System Three numbers which are co-prime to one another are such that the product of the first two 551 and that of the last two is 1073. The sum of the three numbers is 110 74 85 93 110 74 85 93 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 85
Number System One half of a two digit number exceeds its one third by 6. What is the sum of the digits of the number? 9 5 3 7 9 5 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x/2 – x/3 = 6=> x =63 + 6 = 9
Number System 5525 ÷ 17 = √? 99225 93025 105625 112225 99225 93025 105625 112225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √? = 5525/17 = 325∴ ? = (325)² = 105625
Number System In how many different ways can the letters of word "COLLEGE" be arranged ? 1240 1260 1300 1280 1240 1260 1300 1280 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number of ways = 7!/2!2! = 1260(∵ L and E come twice)
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 60 8 12 7 60 8 12 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System What is the average of the following set of numbers ? 173, 192, 198, 204, 211, 223, 227 234 204 210 222 234 204 210 222 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Avg = 173 + 192 + 198 + 204 + 211 + 223 + 227/7 = 1428/7 = 204
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