MHT CET · Maths · Mathematical Reasoning
Which of the following statement pattern is a tautology?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
Option
It is not a tautology since if p is true and q is false then is false.
Option
It is a tautology since if q is true or false then must be true.
Similarly, check other options.
It is not a tautology since if p is true and q is false then is false.
Option
It is a tautology since if q is true or false then must be true.
Similarly, check other options.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- \(\mathrm{f}(x)=\frac{x}{2}+\frac{2}{x}, x \neq 0\) is stricity decreasing inMHT CET 2025 Easy
- A binomial random variable \(\mathrm{X}\) satisfies 9.p \((\mathrm{X}=4)=\mathrm{p}(\mathrm{X}=2)\) when \(\mathrm{n}=6\). Then \(\mathrm{p}\) is equal toMHT CET 2023 Easy
- If the lines giviven by \(\frac{x-1}{2 \lambda}=\frac{y-1}{-5}=\frac{z-1}{2}\) and \(\frac{x+2}{\lambda}=\frac{y+3}{\lambda}=\frac{z+5}{1}\) are parallel, then the value\epsiloneMHT CET 2020 Easy
- \(\int \frac{1}{\cos ^3 x \sqrt{\sin 2 x}} \mathrm{~d} x=\)MHT CET 2023 Hard
- The solution of \(\mathrm{e}^{y-x} \frac{\mathrm{d} y}{\mathrm{~d} x}=\frac{y(\sin x+\cos x)}{(1+y \log y)}\) isMHT CET 2023 Hard
- If the tangent at the point \((2 \sec \theta, 3 \tan \theta)\) to the hyperbola \(\frac{x^2}{4}-\frac{y^2}{9}=1\) is parallel to \(3 x-y+4=0\), then the value of \(\theta\) isMHT CET 2025 Medium
More PYQs from MHT CET
- Which from following elements has highest value of ionization enthalpy \(\left(\Delta_1 \mathrm{H}_1\right)\) ?MHT CET 2024 Medium
- A galvanometer of resistance \(100 \Omega\) requires \(10 \mu\) A current for full scale deflection.
Now a resistance of \(1 \Omega\) is connected to convert it into an ammeter. The minimum
current required to obtain full scale deflection isMHT CET 2020 Hard - If \(y=2 x\) is a chord of circle \(x^2+y^2-10 x=0\), then the equation of circle with this chord as diameter isMHT CET 2021 Medium
- Which of the following is used as promoter in Bosch's process?MHT CET 2020 Easy
- The smallest angle of the triangle whose sides are \(6+\sqrt{12}, \sqrt{48}, \sqrt{24}\) isMHT CET 2025 Medium
- If line and intersect each other, thenMHT CET 2019 Medium