Number System Find the least number which when divided by 35 and 11 leaves a remainder of 1 in each case. 384 386 388 391 384 386 388 391 ANSWER DOWNLOAD EXAMIANS APP
Number System The square root of 0.0081 is: 0.09 0.9 0.009 0.91 0.09 0.9 0.009 0.91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 0.09
Number System The sum of the digits of a two-digit number is 12, and the difference between the number and the number obtained by interchanging the two digits of the number is 18. Find the number. 50 75 25 12.5 50 75 25 12.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ x + y = 12 ...........(i)10x + y - (10x + x) = 18or 10x + y - 10y - x = 18or 9x - 9y = 18∴ x - y = 2From (i) and (ii), x = 7, y = 5∴ Number = 75
Number System If (47)² is added to the square of a number the answer thus obtained is 2290. What is the number ? 7 10 8 9 7 10 8 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the no. be x Therefore, x² + (47)² = 2290Therefore, x² = 2290 - 2209 = 81Therefore, x = 9
Number System Which one of the following numbers is exactly divisible by 11? 235641 315624 415624 245642 235641 315624 415624 245642 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (4 + 5 + 2) - (1 + 6 + 3) = 1, not divisible by 11.(2 + 6 + 4) - (4 + 5 + 2) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 3) = 1, not divisible by 11.(4 + 6 + 1) - (2 + 5 + 4) = 0. So, 415624 is divisible by 11.
Number System What is the difference between the largest number and the least number written with the digits 7, 3, 1, 4? 6048 6184 5084 6084 6048 6184 5084 6084 ANSWER DOWNLOAD EXAMIANS APP
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