Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 52 36 56 48 52 36 56 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1082 1092 1192 1200 1082 1092 1192 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the difference between the largest and the smallest number written with 7, 7, 0, 7? 693 6093 6893 6993 693 6093 6893 6993 ANSWER DOWNLOAD EXAMIANS APP
Number System 486+32×25—59=? 528 582 596 567 528 582 596 567 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System 35 + 15 * 1.5 = ? 51.5 57.5 75 5.25 51.5 57.5 75 5.25 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given Exp. = 35 + 15 * 3/2 = 35 + 45/2 = 35 + 22.5 = 57.5
Number System √2304 x √? = 2832 3681 3581 3481 3381 3681 3581 3481 3381 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √2304 x √? = 2832= 48 x √? = 2832= √? = 2832/48 = 59∴? = 59 x 59 = 3481
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