Number System What is the difference between the local value of 7 and 5 in the number 2574? 403 413 430 570 403 413 430 570 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System Sum of the digits number is 8 and their product is 12. Find the difference between the digits? None 6 2 4 None 6 2 4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 8xy = 12(x – y)2 = (x + y)2 – 4xy (x – y)2 = 64 – 48 => (x – y) = 4
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 7 60 12 8 7 60 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System If 4 2/3 is subtracted form 10 1/2 and the difference is multiplied by 450, then what is the final answer? 2875 2675 None of these 2725 2875 2675 None of these 2725 ANSWER DOWNLOAD EXAMIANS APP
Number System 486+32×25—59=? 582 596 528 567 582 596 528 567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System Thrice the square of a natural number decreased by 4 times the number is equal to 50 more than the number. The number is: 4 10 5 6 4 10 5 6 ANSWER DOWNLOAD EXAMIANS APP
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