Explanation

Explanation

Pattern is square of odd numbers:

1^2 = 1

3^2 = 9

5^2 = 25

7^2 = 49

9^2 = 81

11^2 = 121

Given sequence has 27 instead of 25.

Incorrect number is 27.

Last verified on 22-10-2026

Explanation

The sequence is 1/3, 1/5, 1/7,...

Put n = 1,2,3

n=1 => 1/3

n=2 => 1/5

n=3 => 1/7

Denominator pattern is 3,5,7

Denominator = 2n+1

So nth term = 1/(2n+1)

Last verified on 22-10-2026

Explanation

FAG -> GAF = 1st and 3rd letter swapped.

HAI -> IAH = 1st and 3rd letter swapped.

So:

Pair 1: F A G , G A F (F and G)

Pair 2: H A I , I A H (H and I)

Pair 3: J A K*, K A J (J and K)

Next term after IAH is JAK.

Last verified on 20-10-2026

Explanation

Multiply by 3 each time.

1/9 x 3 = 1/3

1/3 x 3 = 1

1 x 3 = 3

3 x 3 = 9

Answer = 3

Last verified on 20-10-2026

Explanation

Sequence is: 16, 26, 56, 36, 46, 68, 56, ?, ?

Pattern:

16 +10 = 26

26 +30 = 56

56 -20 = 36

36 +10 = 46

46 +22 = 68

68 -12 = 56

Logic:

+10 is same every time

The +30, +22, ... decreases by 8

The -20, -12, ... increases by 8

So next:

56 +10 = 66

66 +14 = 80 [because 22-8=14]

Answer is 66, 80

Last verified on 20-10-2026

Explanation

Starting number 5 is counted as 1st.

Apply the 3 operations in order repeatedly:

1. 1st = 5 (starting number)

2. 2nd = 5 + 4 = 9

3. 3rd = 9 × 2 = 18

4. 4th = 18 - 3 = 15

5. 5th = 15 + 4 = 19

6. 6th = 19 × 2 = 38

7. 7th = 38 - 3 = 35

The 7th displayed number is 35.

Last verified on 20-10-2026

Explanation

Pattern is x2 + 1

3 x 2 + 1 = 7

7 x 2 + 1 = 15

15 x 2 + 1 = 31

31 x 2 + 1 = 63

63 x 2 + 1 = 127

Missing number is 31

Last verified on 20-10-2026

Explanation

Explanation

Pattern: Multiply by 2 and add 2.

• 3 × 2 + 2 = 8
• 8 × 2 + 2 = 18
• 18 × 2 + 2 = 38
• 38 × 2 + 2 = 78
• 78 × 2 + 2 = 158

Last verified on 17-10-2026