Number System The sum and the product of two numbers are 25 and 144 respectively, the difference of the number is? 3 5 11 7 3 5 11 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x + y = 25xy = 144(x- y)2 = (x + y)2 – 4xy(x- y)2 = 625 – 576 => (x – y) = 7
Number System √2304 x √? = 2832 3381 3481 3581 3681 3381 3481 3581 3681 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
Number System On dividing number by 357, we get 39 as remainder. On dividing the same number by 17, what will be the remainder? 0 11 5 3 0 11 5 3 ANSWER DOWNLOAD EXAMIANS APP
Number System (800 / 64) * (1296 / 36) = ? 460 500 420 None of these 460 500 420 None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp.= 800/64 * 1296/36 = 12.5 * 36 = 450
Number System 65% of 320+?=686 479 481 480 478 479 481 480 478 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 65% of 320+?=686 208+?=686?=686-208?=478
Number System In how many different ways can the letters of the word 'FRUGAL'be arranged ? 720 660 556 515 720 660 556 515 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In FRUGAL there ae six difference letters Therefore, 6 ! = 6 x 5 x 4 x 3 x 2 x 1 = 720