Number System Four-fifth of a number is 10 more than two-third of the same number. What is the number? 35 91 89 75 35 91 89 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 75
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 27 36 30 18 27 36 30 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 36 360 48 45 36 360 48 45 ANSWER DOWNLOAD EXAMIANS APP
Number System (12.11)2 + (?)2 = 732.2921 17.2 20.2 14.2 24.2 17.2 20.2 14.2 24.2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 24.2
Number System The sum of four consecutive even numbers is 36. Find the sum of the squares of these numbers? 252 344 296 388 252 344 296 388 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four numbers be x, x + 2, x + 4 and x + 6.=> x + x + 2 + x + 4 + x + 6 = 36=> 4x + 12 = 36 => x = 6The numbers are 6, 8, 10 and 12.Sum of their squares = 62 + 82 + 102 + 122 = 36 + 64 + 100 + 144 = 344.
Number System A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent? 10 9 6 8 10 9 6 8 ANSWER DOWNLOAD EXAMIANS APP
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