Number System 16.23 x 12.9 + 17.32 = ? 246.687 236.687 226.687 None of these 246.687 236.687 226.687 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
Number System What is the difference between the local value of 7 and 5 in the number 2574? 403 430 570 413 403 430 570 413 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System The sum of three consecutive numbers is 87. The greatest among these three number is: 28 30 29 26 28 30 29 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be x, x + 1 and x + 2 Then,x + (x + 1) + (x + 2) = 873x = 84x = 28Greatest number, (x + 2) = 30.
Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 91 35 75 89 91 35 75 89 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System The sum of a number and its reciprocal is one-eighth of 34. What is the product of the number and its square root? None of these 32 8 27 None of these 32 8 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,x + 1/x = 34/8 8x2 - 34x + 8 = 0 4x2 - 17x + 4 = 0 (4x - 1)(x - 4) = 0 x = 4required number = 4 * √4 = 4 * 2 = 8.
Number System What is the sum of all even numbers from 1 to 701? 122850 122500 122550 123850 122850 122500 122550 123850 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 700/2 = 350350 * 351 = 122850
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