Number System What is the least number that should be added to 5200 to make it a perfect square ? 225 275 129 288 225 275 129 288 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 If 70% of an equal to 40% of b, then ratio between a and b is? None 7: 11 4: 7 7: 4 None 7: 11 4: 7 7: 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System What value should come in place of ? in the given number series ? 15, 51, 162, 498, 1509, ? 3434 4545 5656 7878 3434 4545 5656 7878 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 15, (15 + 2) x 3 = 51,(51 + 3) x 3 = 162, (162 + 4) x 3 = 498, (498 + 5) x 3 = 1509(1509 + 6) x 3 = 4545
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 35 39 32 40 35 39 32 ANSWER DOWNLOAD EXAMIANS APP
Number System The sum of the numbers is 264. If the first number be twice the second and third number be one-third of the first, then the second number is: 84 72 54 48 84 72 54 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the second number be x. Then, first number = 2x and third number = 2x/3.2x + x + 2x/3 = 26411x/3 = 264x = 72
Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 1/3 5/4 7/9 11/13 1/3 5/4 7/9 11/13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
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