Number System How many times the keys of a typewriter have to be pressed in order to write first 400 counting numbers? 1200 1092 1192 1082 1200 1092 1192 1082 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 36 39 37 38 36 39 37 38 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System (2560 x 1.4) +(7400 x 0.6) =? 6543 7234 9160 8024 6543 7234 9160 8024 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8024
Number System What is the difference between the local value of 7 and 5 in the number 2574? 403 430 413 570 403 430 413 570 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 500 – 70 = 430
Number System Two numbers are in the ratio 3:5. If 9 be subtracted from each, they are in the ratio of 9:17. The first number is: 27 30 18 36 27 30 18 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (3x-9):(5x-9) = 9:17 x = 12 => 3x = 36
Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 11 8 10 9 11 8 10 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
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