Plz solve ASAP.
Mental Ability
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First column:
Multiply the first 3 rows together:
⇒ 6 x 7 x 4 = 168
Reverse the digits:
⇒ 168 = 861 (Verified)
Second column:
Multiply the first 3 rows together:
⇒ 6 x 9 x 3 = 162
Reverse the digits:
⇒ 162 = 261 (Verified)
Apply the same reasoning to solve the unknown:
Let the unknown be y
Third column:
Multiply the first 3 rows together:
⇒ 8 x 4 x y = 32y
Reverse the last row's digits:
⇒ 422 = 224
FInd y:
⇒ 224 ÷ 32 = 7
Answer: (2) 7
sakshig:
Thank You so much
Answered by
3
Heya,
Taking 1st row:-
6 × 7 × 4 = 168
When we reverse the digits, it becomes 861 which is equal to the 4th column in the first row.
_______________________________
Taking 2nd row:-
6 × 9 × 3 = 162
When we reverse the digits, it becomes 261 which is equal to the 4th column in the second row.
_______________________________
Taking 3rd row:-
8 × 4 × ? = 224
Let the missing no. = x
So, 8 × 4 × x = 224
=> 32x = 224
=> x = 224/32
=> x = 7
__________
Verification: 8 × 4 × 7 = 224
When we reverse the digits, it becomes 422 which is equal to the 4th column in the third row.
_______________________________
Therefore, the missing no. is option(2.) 7 Answer
HOPE IT HELPS:-))
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