Number System What number should replace both the question marks (?) in the following question ? 82 83 84 85 82 83 84 85 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System If the difference between a number and its 2/5 is 240, find the number. 440 360 400 480 440 360 400 480 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore x - 2x/5 = 240, Therefore, 3x/5 = 240Therefore, x = 240x5/3 = 400
Number System The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is: 1/289 289 290/289 289/290 1/289 289 290/289 289/290 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be a and b. Then,ab = 17, a = 1 and b = 17So, 1/a2 + 1/b2 = (a2 + b2)/a2 b2 = (12 + 172)/(1 * 17)2 = 290/289
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 39 35 32 40 39 35 32 40 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6084 5084 6048 6184 6084 5084 6048 6184 ANSWER DOWNLOAD EXAMIANS APP
Number System 16.23 x 12.9 + 17.32 = ? 246.687 None of these 226.687 236.687 246.687 None of these 226.687 236.687 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = 16.23 x 12.9 + 17.32= 209.367 + 17.32= 226.687
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