Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.684 8.484 8.584 8.784 8.684 8.484 8.584 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System What is 25/2% of 482 times of 183 ? 11050.75 11025.75 12025.50 12025.75 11050.75 11025.75 12025.50 12025.75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 25/2% of [482 x 183]= 25/2% of 88206= 25/2 x 88206 / 100= 88206 / 8= 11025.75
Number System Which one of the following represents the sum of the first n even numbers? N(N – 1) N2 N(N + 1) N2+ 1 N(N – 1) N2 N(N + 1) N2+ 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP N (N + 1)
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 103 101 97 99 103 101 97 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
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 What is the difference between the largest number and the least number written with the figures 3, 4, 7, 0, 3? 43983 70983 43893 43883 43983 70983 43893 43883 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 74330 Largest30347 Smallest-------------43983
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