Number System 124, 235, 447, 760, 1174, ? 1689 1589 1389 1489 1689 1589 1389 1489 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP +111, +212, +313, +414
Number System If the sum of 4 consecutive odd numbers is 104, what will be the third number if they are arranged in ascending order ? 27 30 29 28 27 30 29 28 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the consecutive odd number be x, x + 2, x + 4 and x + 6 respectively.According to the question x + x + 2 + x + 4 + x + 6 = 104 = 4x + 12 = 104 = 4x = 104 - 12 = 92∴ x = 92/4 = 23∴ Required number = x + 4= 23 + 4 = 27
Number System If the difference between a number and its three fifths is 62, what is the number ? 175 145 155 165 175 145 155 165 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the number be x.∴ x - 3x/5 = 62or x = 62 x 5/2 = 155
Number System What should come in place of the question mark (?) in the given number series ? 888, 888, 444, 148, ?, 7.4 37 36 38 39 37 36 38 39 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let x be the missing number.Then888/888 = 1,888/444 = 2,444/148 = 3,148/x = 4= x = 148/4 = 37 and 37/7.4 = 5
Number System (√6 + 1)² = ? + 2√6 6 8 5 7 6 8 5 7 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP ? = (√6 + 1)² - 2√6= (√6)² + 2 x √6 + 1 + 1² - 2√6= 6 + 2√6 + 1 - 2√6 = 6 + 1 = 7