Number System Supply the missing figure : 3, 11, 8, 16, 13 .... 18 21 12 28 18 21 12 28 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 21
Number System Find the least value of 3x + 4y if x2y3 = 6. 10 6 3 7 10 6 3 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 10
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 74 83 71 79 74 83 71 79 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 If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 9 7 10 8 9 7 10 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System Difference between two numbers is 5, six times of the smaller lacks by 6 from the four times of the greater. Find the numbers? 11, 6 12, 9 10, 5 12, 7 11, 6 12, 9 10, 5 12, 7 ANSWER DOWNLOAD EXAMIANS APP
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 5 10 6 4 5 10 6 4 ANSWER DOWNLOAD EXAMIANS APP
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