Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 60 7 8 12 60 7 8 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System (4300731) - ? = 2535618 1675123 1865113 1775123 1765113 1675123 1865113 1775123 1765113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 45 42.1 42.6 54.7 45 42.1 42.6 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
Number System 486+32×25—59=? 596 567 528 582 596 567 528 582 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System The sum of five consecutive numbers is 190. What is the sum of the largest and the smallest number ? 74 73 75 76 74 73 75 76 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 The sum of three consecutive numbers is 87. The greatest among these three number is: 30 29 26 28 30 29 26 28 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.
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