Number System 65% of 320+?=686 480 479 481 478 480 479 481 478 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System What will be the next number in the following number series ? 182 162 191 177 182 162 191 177 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1² + 1, 3² + 3, 5² + 5, 7² + 7
Number System What least number should be added to 8602 to make it a perfect square ? 51 36 41 47 51 36 41 47 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP So, (93)² = 8649So, the required number to be added to make a perfect square = 8649 - 8602 = 47
Number System 35%of ?=242 542 394 693 487 542 394 693 487 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 693
Number System The difference between two integers is 5. Their product is 500. Find the numbers. 30, 25 21, 26 20, 25 15, 20 30, 25 21, 26 20, 25 15, 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the integers be x and (x + 5). Then, x(x + 5) = 500 x2 + 5x - 500 = 0 (x + 25)(x - 20) = 0 x = 20So, the numbers are 20 and 25.
Number System If the difference between a number and two-fifths of that number is 45 what is the number ? 77 75 78 76 77 75 78 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x ∴ x - 2x/5 = 45∴ x = 75
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