Number System What number should replace both the question marks (?) in the following question ? 84 85 83 82 84 85 83 82 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System {(742)² ÷ 36} ÷ 2 = ? 422.5 421.5 423.5 420.5 422.5 421.5 423.5 420.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (174 x 174/36) ÷ 2 = 841/2 = 420.5
Number System Complete the series : 81, 69, 58, 48, 39 ........ 31 29 30 28 31 29 30 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 31
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: 3 9 11 5 3 9 11 5 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 How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 9 10 8 11 9 10 8 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System √343 = ? 21 20 18 19 21 20 18 19 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = √343 = 18
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