Directions (1 – 7): Find the wrong number in the following number series given below :
Q1. 5, 86, 174, 276, 399, 558, 736
(a) 276
(b) 736
(c) 558
(d) 86
(e) 399
Q2. 9, 4.5, 6.5, 14, 57, 457, 7313
(a) 4.5
(b) 57
(c) 457
(d) 9
(e) 7313
Q3. 1728, 998, 1511, 1167, 1384, 1260, 1323
(a) 998
(b) 1511
(c) 1323
(d) 1167
(e) 1260
Q4. 2.5, 60, 720, 4320, 12960, 19480, 14580
(a) 720
(b) 4320
(c) 12960
(d)19480
(e) 14580
Q5. 8327, 6611, 5621, 5117, 4907, 4848, 4841
(a) 6611
(b) 5621
(c) 4848
(d) 4841
(e) 8327
Q6. 40, 20, 24, 55, 202, 991, 5926
(a) 24
(b) 55
(c) 40
(d) 991
(e) 5926
Q7. 720, 720, 714, 694, 654, 580, 470
(a) 654
(b) 714
(c) 694
(d) 580
(e) 470
Directions (13-15): Solve the given quadratic equations and mark the correct option based on your answer—
Solutions
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