Answer: A
Explanation:
\( 4 \times 1 + 1 \) = 5
\( 5 \times 1.5 – 1.5 \) = 6
\( 6 \times 2 + 2 \) = 14
\( 14 \times 2.5 – 2.5 \) = 32.5
\( 32.5 \times 3 + 3 \) = 100.5
Q2. 8 4 4 8 32 ?
Answer: D
Explanation:
\( 8 \times 0.5 \) = 4
\( 4 \times 1 \) = 4
\( 4 \times 2 \)= 8
\( 8 \times 4 \) = 32
\( 32 \times 8 \)= 256
Q3. 2, 2, 7, ?, 87, 342
Answer: D
Explanation:
2 + 1² – 1 = 2
2 + 2² + 1= 7
7 + 4² – 1= 22
Q4. 6, 8, 8, 22, ?, 151
Answer: D
Explanation:
\( 6 \times 1 + 2 \) = 8
\( 8 \times 1.5 – 4 \) = 8
\( 8 \times 2 + 6 \) = 22
\( 22 \times 2.5 – 8 \) = 47
\( 47 \times 3 + 10 \)= 151
Q5. 4, ?, 14, 40, 88, 170
Answer: C
Explanation:
4 + 1² + 1 = 6
6 + 3² – 1 = 14
14 + 5² + 1 = 40 …
Answer: D
Explanation:
\( 6 \times 1 – 1 + 1 \) = 6
\( 6 \times 2 – 2 – 3 \) = 7
\( 7 \times 3 – 1 + 5 \) = 25
Q2. 2, 5, 17, 50, 122, ?
Answer: C
Explanation:
2 + 1³ + 2 = 5
5 + 2³ + 4 = 17
17 + 3³ + 6 = 50
50 + 4³ + 8 = 122
Q3. 2, 9, 39, 161, ?, 2613
Answer: D
Explanation:
\( 2 \times 4 + 1 \) = 9
\( 9 \times 4 + 3 \) = 39
\( 39 \times 4 + 5 \) = 161
\( 161 \times 4 + 7 \) = 651
\( 651 \times 4 + 9 \) = 2613
Q4. 5, ?, 20, 34, 76, 142
Answer: D
Explanation:
\( 5 \times 2 – 2 \) = 8
\( 8 \times 2 + 4 \) = 20
\( 20 \times 2 – 6 \) = 34
Q5. 5, 6, 8, 30, 136, ?
Answer: A
Explanation:
\( 5 \times 1 + 1 \)= 6
\( 6 \times 2 – 2 \)= 10
\( 10 \times 3 + 3 \)= 33
\( 33 \times 4 – 4 \)= 128
\( 128 \times 5 + 5 \)= 645
Answer: D
Explanation:
\( 4 \times 1 \)= 4
\( 4 \times 1.5 \) = 6
\( 6 \times 2 \) = 12
\( 12 \times 2.5 \) = 30
\( 30 \times 3 \) = 90
Q2. 10, 5, 5, 10, 40, ?
Answer: B
Explanation:
\( 10 \times 0.5 \)= 5
\( 5 \times 1 \) = 5
\( 5 \times 2 \) = 10
\( 10 \times 4 \) = 40
\( 40 \times 8 \) = 320
Q3. 3, 5, ?, 27, 92, 349
Answer: D
Explanation:
3 + 1² + 1 = 5
5 + 2² + 1 = 10
10 + 4² + 1 = 27
Q4. 1, 2, 6, 17, ?, 157.5
Answer: C
Explanation:
\( 1 \times 1 + 1 \)= 2
\( 2 \times 1.5 + 3 \) = 6
\( 6 \times 2 + 5 \) = 17
\( 17 \times 2.5 + 7 \) = 49.5
\( 49.5 \times 3 + 9 \)= 157.5
Q5. 7, ?, 19, 45, 95, 177
Answer: D
Explanation:
7 + 1² + 1 = 9
9 + 3² + 1 = 19
19 + 5² + 1 = 45 ….
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