Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 56 48 52 36 56 48 52 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System What is 50% of 40% of Rs. 3,450? 630 640 670 690 630 640 670 690 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ? 28 29 30 27 28 29 30 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 2 9 5 6 2 9 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 4.5 2.3 3.4 5.6 4.5 2.3 3.4 5.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System Given √2 = 1.414, the value of √8 + 2√32 - 3√128 + 4√50 is 8.484 8.684 8.584 8.784 8.484 8.684 8.584 8.784 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8.484
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