Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 5084 6184 6084 6048 5084 6184 6084 ANSWER DOWNLOAD EXAMIANS APP
Number System What least number should be added to 8602 to make it a perfect square ? 36 51 47 41 36 51 47 41 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System 56.21 +2.36+5.41 —21.4+1.5=? 34.08 44.08 64.08 54.08 34.08 44.08 64.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System What number should come in the place of (?) in the following number series ? 1, 4, 9, 25, 49, ?, 169, 289, 361 121 225 321 11 121 225 321 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The series is (Prime No.)²So it is (11)² = 121
Number System What is the remainder when 263251 is divided by 9? 3 6 8 1 3 6 8 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP If the sum of the digits of a number is divisible by 9, the number will be divisible by 9.2 + 6 + 3 + 2 + 5 + 1 = 19The nearest multiple of 9 is 18.19 - 18 = 1.
Number System Which one of the following is the sum of the numbers 1, 3, 5, 7, 9…. up to nth number? N(N + 1)/2 N(N + 1) N2 N2 + 1 N(N + 1)/2 N(N + 1) N2 N2 + 1 ANSWER DOWNLOAD EXAMIANS APP