Number System Sum of two consecutive even terms lacks by 98 from their product. Find the sum of these number 18 24 None 32 18 24 None 32 ANSWER DOWNLOAD EXAMIANS APP
Number System On converting the following base-2 numeral in base ten, 1101101, we get 109 106 107 108 109 106 107 108 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 109
Number System Supply the missing figure : 1, 4, 9, 16, 25 .... 49 16 42 36 23 16 42 36 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 36
Number System On multiplying a number by 7, the product is a number each of whose digits is 3. The smallest such number is: 47719 47649 48619 47619 47719 47649 48619 47619 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP By hit and trail, we find that47619 * 7 = 333333.7) 333333 (47619 333333---------------- 0
Number System The difference between a two-digit number and the number obtained by interchange the two digits of the number is 27. If the sum of the two digits of the number is 13, what is their product ? 38 40 37 39 38 40 37 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ 10x + y - (10y + x) = 27or 9x - 9y = 27∴ x - y = 3 .......(I)x + y = 13 .......(II)From eqn (I) and (II)x = 8 and y = 5.So the number = 85Therefore, product = 8 x 5 = 40
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: 10 6 4 5 10 6 4 5 ANSWER DOWNLOAD EXAMIANS APP