Number System If a number is multiplied by. three-fourth of itself, the value thus obtained is 10800. What is that number ? 260 180 60 120 260 180 60 120 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 3x/4 = 10800= x² = 10800 x 4/3 = 14400∴ x = √14400 = 120
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? 8 6 3.5 None of these 8 6 3.5 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
Number System Find the nearest to 25268 which is exactly divisible by 467? 25208 25228 25218 25308 25208 25228 25218 25308 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the local values of 3 in the number 53403? 0 2997 3030 3003 0 2997 3030 3003 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 79 83 71 74 79 83 71 74 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP n x (n + 2) = 6723= n² + 2n - 6723 = 0= n² + 83n - 81n - 6723 = 0= n(n + 83) - 81 (n + 83) = 0Therefore, (n - 81) (n + 83) = 0Therefore, n = 81, n + 2 = 83
Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 24 None 32 18 24 None 32 ANSWER DOWNLOAD EXAMIANS APP
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