Number System 65% of 320+?=686 478 479 480 481 478 479 480 481 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? 4 None 6 2 4 None 6 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 15 20 18 30 15 20 18 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 9 7 4 1 9 7 4 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1)/2 N2 + 1 N(N + 1) N2 N(N + 1)/2 N2 + 1 N(N + 1) N2 ANSWER DOWNLOAD EXAMIANS APP
Number System Find the number of factors of 300 excluding 1 and itself. 14 18 15 16 14 18 15 16 ANSWER DOWNLOAD EXAMIANS APP
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