Number System 84 * 29 + 365 = ? 2801 - 2071 - 2801 2436 2801 - 2071 - 2801 2436 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP - 84 * (30 - 1) + 365= - (84 * 30) + 84 + 365= - 2520 + 449 = - 2071
Number System The simplest form of 1.5 : 2.5 is : 5 : 7 13 : 11 17 : 19 3 : 5 5 : 7 13 : 11 17 : 19 3 : 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3 : 5
Number System A number when multiplied by five times of itself give the value equal to 1445. What is the number ? 16 15 18 17 16 15 18 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x x 5x = 1445= 5x² = 1445= x² = 289∴ x = 17
Number System The difference between a two-digit number and the number obtained by interchanging its two digits is 45. The sum of the digit of the number is 9. What is the product of the two digits of the number? 15 13 12 14 15 13 12 14 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.Therefore, x + y = 9 ..................(i)10x + y - (10y + x) = 4510x + y - 10y - x = 45Therefore, x - y = 5 ..................(ii)From (i) and (ii), x = 7, y = 2Number = 72Therefore, = x x y = 7 x 2 = 14
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 3 0 11 5 3 0 11 5 ANSWER DOWNLOAD EXAMIANS APP
Number System Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, the largest number is 44 56 38 72 44 56 38 72 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 72
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