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A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that the letter is
Find two numbers whose sum is 27 and product in 182 | Find two consecutive positive integers, sum...
Evaluate P(A u B), if 2P(A) = P(B) = 5/13 and P(A|B) = 2/5 | Probability | NCERT |Important Question
How many 6 digit numbers can be formed from the digits 0,1,3,5, 7 and 9 which are divisible by 10
If P(A)=6/11, P(B)=5/11 and P(A u B)=7/11. Find P(A intersection B) | P(A|B) | P(B|A) | Probability
If P(A)=0.8, P(B)=0.5 and P(B|A)=0.4. Find P(A intersection B) | P(A|B) | P(A u B) | Probability
A scooter travels 120km in 3 hours and a train travels 120km in 2 hours. Find the ratio of their....
A mixture contains alcohol and water in the ratio 4:3. If 5 litres of water is added to the mixture
E and F are events so that P(E)=1/4, P(F)=1/2 and P(E and F)=1/8,Find P(E or F) | P(not E and not F)
Tangent to a Circle
Write the following sets in set-builder form: {3,6,9,12}, {2,4,8,16,32}, {5, 25, 125, 625}, {2,4,6..
Quadratic Equations | Check whether the following are quadratic equations | Exercise 4.1 | NCERT
Ratio & Proportion | Important Question
The altitude of a right triangle is 7cm less than its base. If the hypotenuse is 13cm | Quadratic
Divide Rs. 1162 among A,B,C in the ratio
Find the mean proportional to 0.08 and 0.18
Arithmetic Progrssions: Check whether -150 is a term of the A.P. 11, 8, 5, 2 ……………….
Q8. An AP consists of 50 terms of which 3rd term is 12 and the last term is 106.Find the 29th term.
Quadratic Equations: Nature of Roots
Quadratic Equations
Arithmetic Progressions: nth term of an A P
Arithmetic Progressions for Std. X (NCERT)
Which ratio is larger?
Divide Rs 1870 in three parts such that half of the first part, one third of the second part and....
A cottage industry produces a certain number of pottery in a day. It was observed in a particular...
Find the values of k for each of the following quadratic equations so that they have two equal roots
Divide Rs 672 in the ratio 5:3 | Ratio & Proportion | Important Question |Competitive Exam
Quadratic Equation | Roots of quadratic equation by factorization | 2x^2 -x+1/8=0 | 100x^2-20x+1=0
Arithmetic Progressions: Ex- 5.2 Q7 Find 31st term of an AP whose 11th term is 38 and16th term is 73
Find the quadratic equation whose roots are 4 and 5.
Find the third proportional to 16 and 36 | Ratio and proportion | Important Question
Arithmetic Progressions - Std.X (NCERT) Ex- 5.1
Multiplication Theorem on Probability | Probability | IMPORTANT TOPIC | Mathematics
If A and B are events, such that P(A/B=P(B/A) then which one is correct? (A) ACB but A
A line segment 56cm long is to be divided into two parts in the ratio 2:5. Find the length of...
Operations on Sets | Show that A intersection B = A intersection C need not imply B=C
Ratio & Proportion | If a:b = 5:9 and b:c = 4:7. Find a:b:c | Mathematics | Important Question
Given that E and F are events such that P(E)=0.6, P(F)=0.3 and P(E intersection F)=0.2 | Probability
Circle |From an external point P, tangents PA and PB are drawn to these circles. If PA=12cm, find PB
In an examination 35% of the students passed and 455 failed. How many students appeared in the exam?
Box contains 10 red marbles, 20 blue marbles and 30 green marbles. 5 marbles are drawn from the box
If x:y = 3:4. Find (4x + 5y) : (5x - 2y) | Ratio & Proportion | Important Question |Competitive Exam
If log x to the base root 8 = 3 and 1/3 . Find the value of x
Sets | Finite Set| Cardinal Number | Null/void/empty set | Singleton Set | Equal vs Equivalent
Lines XY and MN intersect at O. If ∠POY=90° and a:b = 2:3, find C | Lines and Angles
Assume that each born child is equally likely to be a boy or a girl. If a family has two children
Probability Ex-14.2 , NCERT Maths , Std Xll
Find the third proportional to 16 and 36.
A black and red dice are rolled. Find the conditional probability of obtaining a sum greater than 9
