Number System (1024—263—233)÷(986—764— 156) =? 8 None of these 10 6 8 None of these 10 6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8
Number System The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers? 29 92 70 Cannot be determined 29 92 70 Cannot be determined ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and units digit by y.Then,(10x + y) - (10y + x) = 639(x - y) = 63x - y = 7Thus, none of the numbers can be determined.
Number System What is the sum of all the prime numbers from 20 to 40? 117 120 118 119 117 120 118 119 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 23 + 29 + 31 + 37 = 120
Number System 36% of 850+? % of 592 = 750 50 25 75 12.5 50 25 75 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System 432+2170+35=? 678 523 729 494 678 523 729 494 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 494
Number System If the difference between a number and its three-fourth is 18, find the number. 72 61 68 57 72 61 68 57 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
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