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 48619 47649 47619 47719 48619 47649 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 number and its three-fifth is 50. What is the number? 75 None of these 125 100 75 None of these 125 100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System 4/6 of 6/5 of 5/7 of a number is 96. Find the number. 168 164 162 170 168 164 162 170 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x x 4/6 x 6/5 x 5/7 = 96∴ x = 96 x 6 x 5 x 7/4 x 6 x 5 = 168
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 360 45 36 48 360 45 36 48 ANSWER DOWNLOAD EXAMIANS APP
Number System In how many different ways can the letters of the word 'LEASE' be arranged ? 80 60 None of these 40 80 60 None of these 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The world LEASE consists of 5 letters in which E comes twice ∴ 51/21 = 5x4x3x2x1/2x1 = 60
Number System (4 86%of 6500) ÷ 36 =? 977.5 777.5 677.5 877.5 977.5 777.5 677.5 877.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 877.5
EXAMIANS