Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 10 8 9 11 10 8 9 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System When 732 is subtracted form the square of a number, the answer that is obtained is 5280. What is the number? 97 99 101 103 97 99 101 103 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x2 - 732 = 5280 x2 = 5280 + (70+3)2 = 5280 + 4900 + 420 + 9 = 10609= 10000 + 2(100)(3) + 32 = (100 + 3)2x = 100 + 3 = 103.
Number System The sum of two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is: 10 15 16 12 10 15 16 12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x and (22 - x). Then,5x = 6(22 - x) 11x = 132 => x = 12So, the numbers are 12 and 10.
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 7 15 19 1 7 15 19 1 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47719 47649 47619 48619 47719 47649 47619 48619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System What is the sum of the local values of the digits 2, 3, 4, 5 in the number 2345? 5243 2345 2105 2435 5243 2345 2105 2435 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2000 + 300 + 40 + 5 = 2345
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