Maths quiz -1.
Q.1 -The total number of factors of a prime even number is_____________.
Ans . Two
Q.2 - The addition of rational and irrational number is always will be _____________.
Ans. Irrational.
Q.3 - If a pair of linear equation is consistent then the lines are ____________.
Ans. Intersecting
Q.4 - A circle has a number of tangent equal.________________. Ans . Infinity
Q.5 - A circle can have __ parallel tangent at a single time.
Ans . Two
Q.6 - the empirical relation between the three measures of Central tendency is__.
Ans. Mode = 3 median - 2 mean
Q.7 - The maximum number of roots for a quadratic equation is equal to_____.
Ans. 2
Q.8.- we join to hemisphere of same radius along their bases then we get a____.
Ans. Sphere.
Q.9 -The probability of an event can't be_________.
Ans. Negative.
Q.10 - length of the shadow of a tree is decreasing then the angle of elevation is_________.
Ans. Increasing.
11. What is rational number?
Ans: The form of p / q, p,q ∈ I ,q ≠ 0
.12. pie is ...?
(a) Rational
(b) Irrational (*)
(c) None of these
(d) Both rational and Irrational
13. 2.35353535...., is....
(a) An integer
(b) A rational number (*)
(c) An irrational number
(d) None of these
14. What are Biquadratic Polynomial?
Ans degree= 4
15. The quadratic polynomial whose zeroes is -4 and 3?
Ans . x² + x - 12.
16. What is general term in A.P?
Ans The n th term of the A.P is called its general term.
Tn =. a + ( n-1)d.
17.Formula to find the n th term of A.P?
Ans a+(n-1)d.
18. 1+tan²Q = ?
Ans. sec²Q.
19. Value of tanQ ×cotQ = ?
Ans. 1.
20. what is the value of 5⁰×6⁰
Ans. 1.
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