Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1092 1192 1082 1200 1092 1192 1082 1200 ANSWER DOWNLOAD EXAMIANS APP
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 5 6 2 9 5 6 2 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System A number consists of two digits. If 3/5 of 1/5 of the number is 9. Find the sum of its two digits? 60 7 12 8 60 7 12 8 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x * 3/5 * 1/5 = 9x = 75 => 7 + 5 = 12
Number System 56.21 +2.36+5.41 —21.4+1.5=? 44.08 34.08 64.08 54.08 44.08 34.08 64.08 54.08 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 44.08
Number System How many numbers between 300 and 800 can be by using digits 2, 4, 5, 6 and 0 ? 36 52 56 48 36 52 56 48 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∴ Reqd . numbers = 3 x 4P2 = 3 x 12 = 36
Number System Find the least number when successively divided by 2, 3 and 7 leaves remainders 1, 2 and 3 respectively? 75 67 65 61 75 67 65 61 ANSWER DOWNLOAD EXAMIANS APP
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