Number System How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together? 8 9 11 10 8 9 11 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (700 – 300)/42 = 9 22/42 => 9 Numbers
Number System If (72)² is subtracted from the square of a number, the answer thus obtained is 4617. What is the number ? 92 103 95 99 92 103 95 99 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP x² - (72)² = 467Therefore, x² = 4617 + 5184Therefore, x² = 9801 Therefore, x = 99
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 40 39 35 32 40 39 35 32 ANSWER DOWNLOAD EXAMIANS APP
Number System What is the sum of 1 + 2 + 3+ ... + 27 ? 396 343 382 378 396 343 382 378 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Sum = 27 x (27 + 1)/2= 27 x 28/2= 27 x 14= 378
Number System (12.04 x 7.5 + 0.8 x 45) ÷ 3 = ? 42.6 45 42.1 54.7 42.6 45 42.1 54.7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (90.3 + 36) ÷ 3 = 126.3/3 = 42.1
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