Number System What should come in the place of ' ? ' in the following number series ? 2, 5, 9, 19, 37, ? 75 77 78 76 75 77 78 76 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 2 x 2 + 1 = 5;5 x 2 - 1 = 99 x 2 + 1 = 19: 19 x 2 - 1 = 3737 x 2 + 1 = 75
Number System 9 3/4 + 7 2/17 - 9 1/15 = ? 7 817/1020 7 719/1020 9 817/1020 9 719/1020 7 817/1020 7 719/1020 9 817/1020 9 719/1020 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Given sum = 9 + 3/4 + 7 + 2/17 - (9 + 1/15)= (9 + 7 - 9) + (3/4 + 2/17 - 1/15)= 7 + (765 + 120 - 68)/1020 = 7 817/1020
Number System The sum of three consecutive multiples of 3 is 72. What is the largest number? 36 21 24 27 36 21 24 27 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Let the numbers be 3x, 3x + 3 and 3x + 6.Then,3x + (3x + 3) + (3x + 6) = 729x = 63x = 7Largest number = 3x + 6 = 27.
Number System In a fraction, twice the numerator is two more than the denominator. If 3 is added to the numerator and the denominator each, then the resultant fraction will be 2/3 .What was the original fraction 17/12 11/12 7/12 19/12 17/12 11/12 7/12 19/12 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 7/12
Number System 486+32×25—59=? 528 567 582 596 528 567 582 596 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 528
Number System Complete the series : 1, 2, 3, 5, 8, 13 .... 1 7 4 9 1 7 4 9 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1