## Number Series

#### Number Series

Direction: What should come in place of the question mark (?) in the following questions?

1. 435, 354, 282, 219, 165 ?
1. 103
2. 112
3. 120
4. 130
5. None of these

1. The given series is -
(9 x 9), - (9 x 8), - (9 x 7), - (9 x 6), - (9 x 5)

##### Correct Option: C

The given series is -
(9 x 9), - (9 x 8), - (9 x 7), - (9 x 6), - (9 x 5)

1. 4, 200, 369, 513, 634 ?
1. 788
2. 715
3. 734
4. 755
5. None of these

1. The given series is
+ (14)2, + (13)2, + (12)2, + (11)2, + (10)2

##### Correct Option: C

The given series is
+ (14)2, + (13)2, + (12)2, + (11)2, + (10)2

1. 11, 18, 29, 42, 59, 80, 101
1. 42
2. 18
3. 29
4. 59
5. None of these

1. The series is + 7, + 11, + 13, + 17, + 19, + 23
11 + 7 = 18, 18 + 11 = 29, 29 + 13 = 42, 42 + 17 = 59, 59 + 19 = 78, 78 + 23 = 101
The wrong number is 34650; 17325 x 3 = 51975

##### Correct Option: E

The series is + 7, + 11, + 13, + 17, + 19, + 23
11 + 7 = 18, 18 + 11 = 29, 29 + 13 = 42, 42 + 17 = 59, 59 + 19 = 78, 78 + 23 = 101
The wrong number is 34650; 17325 x 3 = 51975

1. 2, 9, 32, 105, 436, 2195, 13182
1. 436
2. 2195
3. 9
4. 32
5. None of these

1. The series is ( + 7 x 1), (+ 6 x 2), (+ 5 x 3), (+ 4 x 4), (+ 3 x 5), (+ 2 x 6).
The wrong number is 32;
(9 + 6) x 2 = 15 x 2 = 30

##### Correct Option: D

The series is ( + 7 x 1), (+ 6 x 2), (+ 5 x 3), (+ 4 x 4), (+ 3 x 5), (+ 2 x 6).
The wrong number is 32;
(9 + 6) x 2 = 15 x 2 = 30

1. 5, 55, 495, 3465, 17325, 34650, 51975
1. 495
2. 34650
3. 55
4. 17325
5. None of these

1. The series is x 11, x 7, x 5, x 3, x 1. The wrong no. is 34650; 17325 x 3 =51975

##### Correct Option: B

The series is x 11, x 7, x 5, x 3, x 1. The wrong no. is 34650; 17325 x 3 =51975