Number System The difference between 45% of a number and 18% of the same number is 145.8. What is 30% of that number ? 188 245 141 162 188 245 141 162 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.45% of x - 18% of x = 145.8∴ x/100 (45 - 18) = 145.8∴ x = 145.8 x 100/27 = 540∴ 30% of 540 = 540 x 30/100 = 162
Number System How many numbers up to 100 and 300 are divisible by 11? 21 18 22 20 21 18 22 20 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (300 – 100)/11 = 200/11 = 18 2/1118 Numbers
Number System Find the number of factors of 300 excluding 1 and itself. 18 14 16 15 18 14 16 15 ANSWER DOWNLOAD EXAMIANS APP
Number System If 70% of an equal to 40% of b, then ratio between a and b is? 4: 7 None 7: 4 7: 11 4: 7 None 7: 4 7: 11 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 70 a = 40 ba: b = 4: 7
Number System How many numbers up to 200 are divisible by 2 and 3 both? 35 27 29 33 35 27 29 33 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 200/6 = 33 2/6 => 33 Numbers
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 775 750 725 640 775 750 725 640 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
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