Number System What is the difference between the local values of 3 in the number 53403? 3003 2997 0 3030 3003 2997 0 3030 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3000 – 3 = 2997
Number System In a division sum, the remainder is 0. As student mistook the divisor by 12 instead of 21 and obtained 35 as quotient. What is the correct quotient? 12 20 0 13 12 20 0 13 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Number = (12 * 35) = 420Correct quotient = 420/21 = 20
Number System The average of 7 numbers is 15, that of the first three is 6 and that of the last three is 23. What is the fourth number? 15 7 13 18 15 7 13 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4th No. = (Total of 7 Nos) - (Total of first three + total of last 3) = (15 x 7) - (6 x 3 + 23 x 3) = 105 - (18 + 69) =105 - 87 = 18
Number System On converting the following base-2 numeral in base ten, 1101101, we get 106 109 108 107 106 109 108 107 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System The difference between 71% of a number and 46% and of the same number is 212. What is 75% of that number 845 724 673 636 845 724 673 636 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ 71% of x - 46% of x = 212∴ (71 - 46)% of x = 212∴ 25/100 x x = 212∴ x = 212 x 4 = 848∴ 75% of 848 = 848 x 75/100 = 636
Number System √343 = ? 18 19 20 21 18 19 20 21 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
EXAMIANS