Number System If the sum of four consecutive numbers is 370, which the following is the third lowest number among them 92 90 89 91 92 90 89 91 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the four consecutive numbers be x, (x + 1), (x + 2), (x + 3) thenx + (x + 1) + (x + 2) + (x + 3) = 370= 4x + 6 = 370∴ x = 364/4 = 91∴ third lowest number among them = x + 1= 91 + 1 = 92
Number System Subtracting 30 from a number, the remainder is one fourth of the number. Find the number? 40 45 22 1/2 30 40 45 22 1/2 30 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 3/4 x = 30 => x = 40
Number System (3² x 4² x 5) ÷ 36 = (?)² - 80 16 12 14 10 16 12 14 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP (?)² = 3² x 4² x 5/36 + 80= 20 + 80 = 100∴ ? = √100 = 10
Number System On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5? 1 4 2 0 1 4 2 0 ANSWER DOWNLOAD EXAMIANS APP
Number System What should come in place of question mark (?) in the following number series ? 7, 176, 480, 1058, 2188, 4426, ? 8882 8881 8888 8884 8882 8881 8888 8884 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Series is (No. + 9²) x 2, (+8²) x 2, (+7²) x 2, (+6²) x 2.......
Number System A number is doubled and 9 is added. If the resultant is trebled, it becomes 75. What is that number? None of these 6 8 3.5 None of these 6 8 3.5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x. Then,3(2x + 9) = 752x = 16 => x = 8
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