Number System The Twenty-First Century will start on January 1 in the year 2100 2101 2000 2001 2100 2101 2000 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 55 120 None of these 30 55 120 None of these 30 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the remainder when 263251 is divided by 9? 8 3 1 6 8 3 1 6 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 What least number should be added to 8602 to make it a perfect square ? 51 36 47 41 51 36 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 Twenty times a positive integer is less than its square by 96. What is the integer? Cannot be determined 24 20 30 Cannot be determined 24 20 30 ANSWER DOWNLOAD EXAMIANS APP
Number System If the difference between a number and its 2/5 is 240, find the number. 440 480 400 360 440 480 400 360 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
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