Number System 1051.64 - 159.42 - 96.84 + 162.37 - 940.26 + 504 = ? 521.49 511.49 501.49 491.49 521.49 511.49 501.49 491.49 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 1718.01 - 1196.52 = 521.49
Number System If the difference between the squares of two consecutive numbers is 47, what is the smaller number ? 23 24 25 26 23 24 25 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be (x + 1) and x.Therefore, (x + 1)² - x² = 47x² + 2x + 1 - x² = 472x + 1 = 47Therefore, x = 46/2 = 23
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 48 52 56 36 48 52 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System 6.4 x 8.5 x 25/3.2 x 12.5 = ? 5.6 4.5 2.3 3.4 5.6 4.5 2.3 3.4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 6.4 x 8.5 x 2.5/3.2 x 12.5 = 3.4
Number System How many figures are required for numbering the pages of a book containing 1000 pages? 2893 3892 2883 6489 2893 3892 2883 6489 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 50% of 40% of Rs. 3,450? 690 670 630 640 690 670 630 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
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