Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6184 5084 6048 6084 6184 5084 6048 6084 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 296 388 252 344 296 388 252 344 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 If one-seventh of a number is 55 then 40% of that number = ? 171 154 163 147 171 154 163 147 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x , Therefore, x/7 = 55Therefore, x = 55 x 7 = 385Therefore, 49% of 385 = 154
Number System What is the sum of all the composite numbers up to 20? 132 128 131 130 132 128 131 130 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 132
Number System (164 x 175) x ? = 258300 11 9 5 2 11 9 5 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 258300 / 164 x 175 = 9
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 693 6093 6993 6893 693 6093 6993 6893 ANSWER DOWNLOAD EXAMIANS APP
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