Number System {(742)² ÷ 36} ÷ 2 = ? 420.5 421.5 422.5 423.5 420.5 421.5 422.5 423.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System If the three fourth of a number is subtracted from the number; the value so, obtained is 163. What is that number ? 652 692 678 689 652 692 678 689 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number x (1 - 3/4) = 163∴ Number = 163 x 4 = 652
Number System (1024—263—233)÷(986—764— 156) =? None of these 8 10 6 None of these 8 10 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System If the average of two numbers is 88.5 and one number is 5.5 less than the average. Find out the next number. 94 91 97 86 94 91 97 86 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 94
Number System Pick the wrong number from the given number series. 3,4,10,33,135,685,4116 10 685 33 135 10 685 33 135 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The correct number is 136.3 x 1 + 1 = 44 x 2 + 2 = 1010 x 3 + 3 = 3333 x 4 + 4 = 136136 x 5 + 5 = 685685 x 6 + 6 = 4116
Number System The product of two consecutive position odd numbers is 6723. What is the smaller number? 83 71 79 74 83 71 79 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
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