Number System If the fractions8/5,7/2,9/5,5/4,4/5 are arranged in descending order of their values, which one will be fourth? 11/13 1/3 7/9 5/4 11/13 1/3 7/9 5/4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 5/4
Number System Find the smallest number which should be multiplied with 520 to make it a perfect square. 120 30 None of these 55 120 30 None of these 55 ANSWER DOWNLOAD EXAMIANS APP
Number System The product of two consecutive odd numbers is 4623. What is the product of the next two consecutive odd numbers ? 6782 5183 8795 7745 6782 5183 8795 7745 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP √4623 = 6767 x 69 = 4623∴ Required product = 71 x 73 = 5183
Number System If the difference between a number and its three-fourth is 18, find the number. 61 57 72 68 61 57 72 68 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.According to the question,x - 3x/4 = 18= x/4 = 18= x = 4 x 18 = 72
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 920 712 824 625 920 712 824 625 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (A + B)² = (30)² = 900A² + B² + 2AB = 900Therefore, A² + B² = 900 - 2 x 94 = 900 - 188 = 712
Number System (95.6x 910.3) ÷ 92.56256 = 9? 15.54 14.44 12.24 13.34 15.54 14.44 12.24 13.34 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 13.34
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