LIC ADO Mock Test-1 | Buy Now |
If ÷ means +, × means ÷ , – means × and + means – then the value of 17– 10 + 8 ÷ 16× 8 is
X & Y, Y π Z, D ∇ X
(I) X % Z
(II) Y ∇ B
X & Y, Y π Z, D ∇ X,
⇒ X |> Y, Y |≥ Z, D = X
⇒ X ≤ Y, Y < Z, D = X
Now, X ≤ Y and Y< Z
⇒ X ≤ Y < Z ⇒ X < Ζ
⇒ X |≥ Z
⇒ X π Z (using the symbol)
Hence, I is not true.
Now, X ≤ Y and D = X
⇒ D ≤ Y
⇒ Y |< D
⇒ Y |< D
⇒ Y Δ B (using the symbol)
Hence, II is not true.
What is the total count of 7's which are sandwiched between 1's and 8's in the following series?
21211781 91778177 81171817 1787177
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