Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 54.7 45 42.6 42.1 54.7 45 42.6 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 65% of 320+?=686 481 480 478 479 481 480 478 479 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System The square root of 0.0081 is: 0.91 0.009 0.09 0.9 0.91 0.009 0.09 0.9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 79 83 71 74 79 83 71 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83
Number System A certain number when divided by 45 leaves a remainder 31, what is the remainder if the same number be divided by 15? 11 13 9 1 11 13 9 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 45 + 31 = 76/15 = 1 (Remainder)
Number System If R2 = S3 = K, where R, S and K are integers. Find the smallest positive integral value of K. (Greater than 1) 75 64 54 88 75 64 54 88 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 64
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