Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 48 54 72 84 48 54 72 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 2435 2345 5243 2105 2435 2345 5243 2105 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
Number System (95.6x 910.3) ÷ 92.56256 = 9? 14.44 15.54 12.24 13.34 14.44 15.54 12.24 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
Number System If the sum of the two numbers is 22 and the sum of their squares is 404, then the product of the numbers is: 80 40 88 44 80 40 88 44 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and y. Then, (x + y) = 22 and x2 + y2 = 404 Now, 2xy = (x + y)2 - (x2 + y2) 2xy= 222 - 404 = 484 - 404 = 80xy = 40
Number System 50% of 8/15 of 9/4 of 5/3 of 333 = ? 444 333 666 555 444 333 666 555 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 50% of [8x9x5/15x4x3 x 333]= 50% of 666= 333
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 42.1 54.7 45 42.6 42.1 54.7 45 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
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