Question : Directions: Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number.
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbers into their constituent digits. E.g. 13 - Operations on 13 such as adding /subtracting /multiplying etc. to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
2 : 6 :: 4 : 60 :: 7 : ?
Option 1: 600
Option 2: 105
Option 3: 201
Option 4: 336
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Correct Answer: 336
Solution :
Given:
2 : 6 :: 4 : 60 :: 7 : ?
To get the second number, subtract the first number from its cube.
Like, 2 : 6→(2)
3
– 2 = 8 – 2 = 6
4 : 60→(4)
3
– 4 = 64 – 4 = 60
Similarly, for 7 : ?→ (7)
3
– 7 = 343 – 7 = 336
So, 336 is related to 7. Hence, the fourth option is correct.
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