Question
If 3 2 1 x
4 12.5, then, (x²-1) (x²+1) = ? In each of the following questions a number series is given. One term of the series is denoted by X . You have to calculate the value of X and by using the value of X , you have to replace the question mark (?) in the following questions :Solution
3 × 0.5 + 0.5 = 2 2 × 1 - 1 = 1 1 × 1.5 + 1.5 = 3 3 × 2 - 2 = 4 4 × 2.5 + 2.5 = 12.5 Hence, x= 3 Hence, (3²-1) (3²+1) = (9-1) (9+1) = 8 × 10 = 80
Select the number from among the given options that is wrong in the following series.
22, 30, 46, 78, 146, 270
8, 20, 48, 108, 232, 482
Find the wrong number in the following number series:
2500, 1000, 400, 160, 60
Select the wrong term in the series.
10, 19, 23, 52, 61, 133, 149
Find the wrong number.
17, 25, 37, 47, 65, 81
Select the wrong term from the given series?
RFD, OBY, LXT, ITO, FSK
Find the wrong number in the given series.
45, 50, 60, 80, 120, 180, 360
In the following question, select the wrong number from the given alternatives.
52, 26, 26, 52, 208, 1644
In the following question, select the wrong number from the given alternatives.
32, 16, 16, 24, 48, 126, 360
8, 20, 48, 108, 232, 482
Relevant for Exams:
