Number System What is the sum of all the composite numbers up to 20? 131 128 132 130 131 128 132 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 78 76 77 75 78 76 77 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 30 26 28 29 30 26 28 29 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System (2560 x 1.4) +(7400 x 0.6) =? 8024 7234 9160 6543 8024 7234 9160 6543 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 41 39 42 40 41 39 42 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
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