Directions:(1-5) Find the next term in the series.

1. 1204, 1205, 1213, 1240, 1304, ?

Ans:5
The pattern is as follows:

1204 + 13 = 1205

1205 + 23 = 1213

1213 + 33 = 1240

1240 + 43 = 1304

1304 + 53 = 1429

2. 12, 72, 216, 1296, 3888, 23328, ?

Ans:5
The pattern is as follows:

12 x 6 = 72, 72 x 3 = 216

216 x 6 = 1296, 1296 x 3 = 3888

3888 x 6 = 23328, 23328 x 3 = 69984

3. 24, 35, 48, 63, 80, ?

Ans: 1
The pattern is as follows:

5 x 4 + 4 = 24

6 x 5 + 5 = 35

7 x 6 + 6 = 48

8 x 7 + 7 = 63

9 x 8 + 8 = 80

10 x 9 + 9 = 99

4. 3.61, 4.41, 5.29, 6.25, 7.29, ?

Ans:3
The pattern is as follows:

1.92 = 3.61

2.12 = 4.41

2.32 = 5.29

2.52 = 6.25

2.72 = 7.29

2.92 = 8.41

5. 410, 427, 446, 469, 498, ?

Ans:4
Consective prime numbers are added to the number:

410 + 17 = 427

427 + 19 = 446

446 + 23 = 469

469 + 29 = 498

498 + 31 = 529

Directions:(6-10) What should come in place of the question mark (?) in the following number series?

6. 336, 224, 168, 140, 126, ?

Ans:1
336-112=224, 224-56=168, 168-28=140, 140-14=126, 126-7=119

7. 5, 6, 16, 57, 244, ?

Ans:4
(5+1)x1=6, (6+2)x2=16, (16+3)x3=57, (57+4)x4=244, (244+5)x5=1245

8. 848, 422, 208, 100, 45, ?

Ans:1
848÷2-2=422, 422÷2-3=208, 208÷2-4=100, 100÷2-5=45, 45÷2-6=16.5

9. 4, 8, 24, 60, ?, 224

Ans:5
4+22=8, 8+42=24, 24+62=60, 60+82=124, 124+102=224

10. 7, 16, 141, 190, 919, ?

Ans:5
7+32=16, 16+53=141, 141+72=190, 190+93=919, 919+112=1040

Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

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