Number System If the sum of one-half of a number exceeds one-third of that number by 7 1/3, the number is: 20 15 30 18 20 15 30 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,(1/2 x + 1/5 x) - 1/3 x = 22/311/30 x = 22/3x = 20
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 52 36 48 56 52 36 48 56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System 64% of 2650+40% 0f 320=? 1247 2096 1578 1824 1247 2096 1578 1824 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1824
Number System (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = ? 29.81 30.52 27.54 28.56 29.81 30.52 27.54 28.56 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (4.6 x 2.8 x 5.5) - (3.2 x 4.5 x 2.8) = 70.84 - 40.32 = 30.52
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 45 22 1/2 30 40 45 22 1/2 30 40 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System 5358 * 51 = ? 273358 273268 273258 273348 273358 273268 273258 273348 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5358 * 51 = 5358 * (50 + 1) = 5358 * 50 + 5358 * 1= 267900 + 5358 = 273258