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Find the wrong number here.
781 783 793 791 805 800.
Answer is provided below
Directions:(1-5) What should come in place of the question mark (?) in the following number series?
1. 54, 105, 174, 261, ?
2. 32, 48, 120, 420, ?, 10395
3. 647, 168, 48, ?, 6
4. 13, 16, 24, 39, 63, 98, ?
5. 362, 183, 64, 20, 9, ?
Directions:(6-10)Find the next term in the series.
6. 3, 9, 36, 180, 1080, ?
7. 46656, 7776, 1296, 216, 36, ?
8. 5718, 5618, 5474, 5278, 5022, ?
9. 66, 66, 132, 198, 330, 528, ?
10. 748, 759, 768, 775, 780, ?
11. 781 783 793 791 805 800
1. 783
2.793
3.791
4. 805
5. 800
Check your Answers below:
Directions:(1-5) What should come in place of the question mark (?) in the following number series?
1. Question
54, 105, 174, 261, ?
The pattern is 72+5=54, 102+5=105, 132+5=174, 162+5=261, 192+5=366
2. Question
32, 48, 120, 420, ?, 10395
The pattern is:
32×1.5 = 48, 48×2.5=120, 120×3.5=420, 420×4.5=1890, 1890×5.5=10395
3. Question
647, 168, 48, ?, 6
The next term is the product of digits of the previous terms.
6x4x7=168, 1x6x8=48, 4×8=32, 3×2=6
4. Question
13, 16, 24, 39, 63, 98, ?
The pattern is:
13 + (22 – 1) = 16, 16 + (32 – 1) = 24, 24 + (42 – 1) = 39, 39 + (52 – 1) = 63, 63 + (62 – 1) = 98, 98 + (72 – 1) = 146
5. Question
362, 183, 64, 20, 9, ?
The pattern is: 362÷2+2=183, 183÷3+3=64, 64÷4+4=20, 20÷5+5=9, 9÷6+6=7.5
Directions:(6-10)Find the next term in the series.
6. Question
3, 9, 36, 180, 1080, ?
The pattern is as follows:
3 x 3 = 9
9 x 4 = 36
36 x 5 = 180
180 x 6 = 1080
1080 x 7 = 7560
7. Question
46656, 7776, 1296, 216, 36, ?
The pattern is as follows:
46656/6 = 7776
7776/6 = 1296
1296/6 = 216
216/6 = 36
36/6 = 6
8. Question
5718, 5618, 5474, 5278, 5022, ?
The pattern is as follows:
5718 – 102 = 5618
5618 – 122 = 5474
5474 – 142 = 5278
5278 – 162 = 5022
5022 – 182 = 4698
9. Question
66, 66, 132, 198, 330, 528, ?
The pattern is as follows:
66 + 66 = 132
66 + 132 = 198
132 + 198 = 330
198 + 330 = 528
330 + 528 = 858
10. Question
748, 759, 768, 775, 780, ?
The pattern is as follows:
34 x 22 = 748
33 x 23 = 759
32 x 24 = 768
31 x 25 = 775
30 x 26 = 780
29 x 27 = 783
11. 781 783 793 791 805 800
1. 783
2.793
3.791
4. 805
5. 800
Solution: Correct Answer is option 5.
Explanation:
The given series follows the pattern
⇒ 156 × 5 + 1 = 781
⇒ 157 × 5 – 2 = 783
⇒ 158 × 5 + 3 = 793
⇒ 159 × 5 – 4 = 791
⇒ 160 × 5 + 5 = 805
⇒ 161 × 5 – 6 = 799
Therefore, the wrong number in the given series is 800.