Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 16 | 27 | 7 |
| 25 | 8 | 7 |
| 121 | ? | 12 |
Option 1: 1
Option 2: 16
Option 3: 7
Option 4: 4
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Correct Answer: 1
Solution :
The sum of the square root of the first number and the cube root of the second number is equal to the third number –
Row I:
$\sqrt[2]{16}$ + $\sqrt[3]{27}$ = 4 + 3 = 7
Row II:
$\sqrt[2]{25}$ +$ \sqrt[3]{8}$ = 5 + 2 = 7
Similarly, in
Row III:
$\sqrt[2]{121}$ + $\sqrt[3]{x}$ = 12
⇒ 11 + $\sqrt[3]{x}$ = 12
⇒ $\sqrt[3]{x}$ = 12 – 11
⇒ $x$ = 1
So, the missing number is 1. Hence, the first option is correct.
Related Questions
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 121 | 64 | 144 |
| 27 | ? | 8 |
| 14 | 12 | 14 |
Option 1: 64
Option 2: 49
Option 3: 56
Option 4: 72
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 14 | 9 | 7 |
| 7 | 4 | 5 |
| ? | 10 | 4 |
Option 1: 10
Option 2: 14
Option 3: 26
Option 4: 22
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 7 | 14 | 144 |
| 11 | 16 | 234 |
| 12 | ? | 266 |
Option 1: 17
Option 2: 18
Option 3: 19
Option 4: 20
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 9 | 4 | ? |
| 5 | 8 | 5 |
| 28 | 24 | 42 |
Option 1: 14
Option 2: 15
Option 3: 12
Option 4: 16
Question : Directions: Study the given pattern carefully and select the number that can replace the question mark (?) in it.
| 14 | 23 | 97 |
| 22 | 41 | 167 |
| 31 | 24 | ? |
Option 1: 144
Option 2: 110
Option 3: 134
Option 4: 122
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