Number System 4550 ÷ 25% of ? = 130 125 135 130 140 125 135 130 140 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 4550 ÷ ? x 25/100 = 130= 4550 ÷ ?/4 = 130= 4550 x 4/? = 130= ? x 130 = 4550 x 4= ? = 4550 x 4/130 = 140
Number System In an examination, 68% of the total examinees passed. If the number of failures is 248, the total number of examinees is 725 775 640 750 725 775 640 750 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Failed students are 32% which is 248.∴ Total = 24800/32 = 775
Number System If 2^(2x-1) = 8^(3-x), then the value of x is: 6 5 9 2 6 5 9 2 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2
Number System If the product of two successive positive integers is 4692, what is the smaller number ? 66 64 70 68 66 64 70 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ∵ 68 x 69 = 4692
Number System Write the next number in the series : 14, 16, 13, 17, 12, 18, 11 .... 1 19 15 7 1 19 15 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 19
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 625 824 920 712 625 824 920 712 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
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