Number System 7.8% of 12.5 + 2.5% of 161 = ? 5 12 2 9 5 12 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7.8 x 12.5/100 + 2.5 x 161/100= 0.975 + 4.025= 5
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 54.7 42.6 42.1 45 54.7 42.6 42.1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System What is the remainder when 263251 is divided by 9? 8 3 1 6 8 3 1 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 26 28 29 30 26 28 29 30 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 The sum of two numbers is 165 and the difference between them is 9. What is the average of these two numbers ? 85.5 82.5 83.5 84.5 85.5 82.5 83.5 84.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 165x - y = 92x = 174 ∴ x = 87 and y = 78∴ x + y/2 = 165/2 = 82.5
Number System 1256+4813+765=? 6831 6839 6834 6836 6831 6839 6834 6836 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1256+4813+765= 6069+765=6834
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