>
Exams
>
Mathematics
>
Probability
>
consider the equation ax2 bx c 0 find probability
Question:
Consider the equation ax
2
+ bx + c = 0 . Find probability if a, b, c โ A where A = {1,2,3, ... , 8} that the equation has equal roots.
JEE Main
Updated On:
Feb 26, 2026
\(\frac{1}{512}\)
\(\frac{1}{64}\)
\(\frac{1}{8}\)
\(\frac{1}{4}\)
Hide Solution
Verified By Collegedunia
The Correct Option is
B
Solution and Explanation
The Correct answer is option is (B) :
\(\frac{1}{64}\)
Download Solution in PDF
Was this answer helpful?
0
0
Top Questions on Probability
If $F$ is an event of a sample space $S$, then $P(S|F)=$
KSEAB Class XII - 2026
Mathematics
Probability
View Solution
If $A$ and $B$ are independent events with $P(A)=0.3$ and $P(B)=0.4$, then $P(A \cap B)$ is
KSEAB Class XII - 2026
Mathematics
Probability
View Solution
The probability of obtaining an even prime number on each die when a pair of dice is rolled is
KSEAB Class XII - 2026
Mathematics
Probability
View Solution
A box contains 5 red and 7 white balls. Two balls are drawn at random. What is the probability that both are red?
Mizoram (MBSE) Class XII - 2026
Business Mathematics
Probability
View Solution
If \( \alpha \) and \( \beta \) (\( \alpha<\beta \)) are the roots of the equation \( (-2 + \sqrt{3})(\sqrt{x} - 3) + (x - 6\sqrt{x}) + (9 - 2\sqrt{3}) = 0 \), \( x \ge 0 \), then \( \sqrt{\frac{\beta}{\alpha}} + \sqrt{\alpha\beta} \) is equal to:
JEE Main - 2026
Mathematics
Probability
View Solution
View More Questions
Questions Asked in JEE Main exam
The unsaturated ether on acidic hydrolysis produces carbonyl compounds as shown below. Based on this, predict the solution/reagent that will help to distinguish "P" and "Q" obtained in the reaction.
JEE Main - 2026
Aldehydes And Ketones
View Solution
The value of
\[ \left(\frac{1}{3}+\frac{4}{7}\right) +\left(\frac{1}{3^2}+\frac{1}{3}\times\frac{4}{7}+\frac{4}{7^2}\right) +\left(\frac{1}{3^3}+\frac{1}{3^2}\times\frac{4}{7}+\frac{1}{3}\times\frac{4}{7^2}+\frac{4}{7^3}\right) +\cdots \text{ up to infinite terms is} \]
JEE Main - 2026
Integration
View Solution
From the following, how many compounds contain at least one secondary alcohol?
JEE Main - 2026
Alcohols, Phenols and Ethers
View Solution
Read the following statements:
(A) Q has more $\delta^-$ on chlorine than P.
(B) Q has more dipole moment than P.
(C) In Q, CโCl bond has double bond character.
(D) In Q, Cl is attached to sp$^2$ hybridised carbon but in P, Cl is attached to sp$^3$.
(E) In Q, CโCl bond length is more due to repulsion between lone pair on chlorine and $\pi$ electron in aromatic ring.
JEE Main - 2026
Haloalkanes and Haloarenes
View Solution
Given below are two statements:
Statement I: The first ionization enthalpy of Cr is lower than that of Mn.
Statement II: The second and third ionization enthalpies of Cr are higher than those of Mn.
In the light of the above statements, choose the correct answer from the options given below:
JEE Main - 2026
Periodic properties
View Solution
View More Questions