Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 76 73 75 74 76 73 75 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + x + 1 + x + 2 + x + 3 + x + 4= 190= 5x + 10 = 190= 5x = 190 - 10 = 180= x = 180/5 = 36The largest number = 36 + 4 = 40∴ Required sum = 36 + 40 = 76
Number System 36% of 850+? % of 592 = 750 12.5 25 50 75 12.5 25 50 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 54.7 42.1 45 42.6 54.7 42.1 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System √9216 + √15376 = ? 231 227 224 220 231 227 224 220 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √9216 + √15376= 96 + 124= 220
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.584 8.784 8.684 8.484 8.584 8.784 8.684 8.484 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
Number System If the difference between a number and its 2/5 is 240, find the number. 440 480 400 360 440 480 400 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
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