Number System The difference between a number and its three-fifth is 50. What is the number? 125 100 None of these 75 125 100 None of these 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x - 3/5 x = 50 => 2/5 x = 50x = (50 * 5)/2 = 125.
Number System What should come in place of the question mark (?) in the following number series ? 888 888 444 148 ? 7.4 37 29 33 35 37 29 33 35 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 888 ÷ 1 = 888888 ÷ 2 = 444444 ÷ 3 = 148148 ÷ 4 = 3737 ÷ 5 = 7.4
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2510 2520 2504 2508 2510 2520 2504 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 24 21 27 36 24 21 27 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System Complete the series : 1, 8, 27, 64, 125, 216 ..... 353 343 373 363 353 343 373 363 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 343