Number System Which number should replace question mark (?) in the following equation ? ?/342 = 38/? 114 118 112 116 114 118 112 116 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 342 x 38Therefore, ? = √342 x 38 = √38 x 9 x 38 = 38 x 3 = 114
Number System In a two-digit number, the digit in unit's place is two more than three times the digit in ten's place. If the sum of the two digits is 10, what is the number ? 18 28 24 22 18 28 24 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be 10x + y.∴ y = 3x + 2 .......(i)And, x + y = 10 ......(ii)From (i) and (ii), x = 2, y = 8∴ Number = 28
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 12 14 10 16 12 14 10 16 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System Sum of two numbers is 15. Two times of the first exceeds by 5 from the three times of the other. Then the numbers will be? 7, 8 9, 6 6, 9 10, 5 7, 8 9, 6 6, 9 10, 5 ANSWER DOWNLOAD EXAMIANS APP
Number System What is 50% of 40% of Rs. 3,450? 630 640 670 690 630 640 670 690 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 40% * 3450 = 1380then, 50 % * 1380 = 690
Number System The Twenty-First Century will start on January 1 in the year 2101 2100 2000 2001 2101 2100 2000 2001 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2001
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