Number System If 1.5 x= 0.04 y, then the value of (y-x) (y+x) is: 93/77 83/77 77/73 73/77 93/77 83/77 77/73 73/77 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 73/77
Number System √(17)² + (17)² + (5)² - 2 = ? 16 17 19 18 16 17 19 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √49 + 289 + 25 - 2 = √361 = 19
Number System 1827÷ 36 x ?=162.4 4.3 3.2 1.9 2.6 4.3 3.2 1.9 2.6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3.2
Number System What is the least number that should be added to 5200 to make it a perfect square ? 129 288 275 225 129 288 275 225 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP We sec (73)² = 5329 and (72)² = 5184ie 5329 > 5200 > 5184So 129 should be added to make is perfect square.
Number System 432+2170+35=? 494 729 523 678 494 729 523 678 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47619 47719 48619 47649 47619 47719 48619 47649 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
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