Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 3.5 6 8 None of these 3.5 6 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System (4300731) - ? = 2535618 1775123 1675123 1765113 1865113 1775123 1675123 1765113 1865113 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let 4300731 - x = 2535618Then, x = 4300731 - 2535618 = 1765113
Number System Supply the missing figure : 2, 6, 12, 20, 30 ... 56 41 40 39 42 41 40 39 42 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 42
Number System 4550 ÷ 25% of ? = 130 135 125 140 130 135 125 140 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 388 296 344 252 388 296 344 252 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System 93296 - 45874 + 20382 - 56817 = ? 109887 109867 109877 109857 109887 109867 109877 109857 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 113678 - 102691 = 109887
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