Number System Find the least number with which 16200 should be multiplied, to make it a perfect cube. 36 360 45 48 36 360 45 48 ANSWER DOWNLOAD EXAMIANS APP
Number System A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by: 11 5 3 9 11 5 3 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the ten's digit be x and unit's digit be y. Then, number 10x + y.Number obtained by interchanging the digits = 10y + x.(10x + y) + (10y + x) = 11(x + y)which is divisible by 11.
Number System ind the number, difference between number and its 3/5 is 50 120 123 124 125 120 123 124 125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number = x,Then, x-(3/5)x = 50,=> (2/5)x = 50 => 2x = 50*5,=> x = 125
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 11 10 8 9 11 10 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System In how many different ways can the letters of the word ANATOMY be arranged ? 2508 2510 2504 2520 2508 2510 2504 2520 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here total letters are 7 but A comes twice.Therefore, Numbers of arrangements = 7!/2! = 2520
Number System Find the number, when 15 is subtracted from 7 times the number, the result is 10 more than twice of the number 4 5 7.5 15 4 5 7.5 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.7x -15 = 2x + 10 => 5x = 25 => x = 5
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