Number System What number should replace both the question marks (?) in the following question ? 83 82 85 84 83 82 85 84 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 84
Number System A number exceeds by 25 from its 3/8 part. Then the number is? 35 32 40 39 35 32 40 39 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 50% of 40% of Rs. 3,450? 670 640 630 690 670 640 630 690 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System The sum of the two digits of a two-digit number is 15 and the difference between the two digits of the two digit number is 3. What is the product of the two digits of the two digit number ? 54 14 None of these 36 54 14 None of these 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10 x + yWhere x > yAccording to the question,x + y = 15 and x - y = 3Solving both the equations,x = 9, y = 6∴ x x y = 9 x 6 = 54
Number System The Twenty-First Century will start on January 1 in the year 2000 2101 2001 2100 2000 2101 2001 2100 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
Number System If A + B = 30 and AB = 94, What is the value of A² + B² ? 824 712 920 625 824 712 920 625 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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