2720 ÷ 80 x 40 = ? + 40 34 x 80 = ? + 40 1360 = ? + 40 ? = 1320
A bowl contains 9 blue balls, 7 white, and 5 black balls. If 2 balls are drawn in one go, then the probability of exactly one ball being white is:
Ten tickets numbered 1 to 15 are placed in a box, mixed up thoroughly and then one ticket is drawn randomly. If it is known that the number on the drawn...
What is the probability that a number selected from 1,2,3.......................68,69,70, is perfect square or a perfect cube?
Two friend Himanshu and Naman appeared in an exam. The probability that Himanshu will Qualify the exam is 1/20 and Naman will Qualify the exam is 1/10. ...
In a group of artists, there are 10 dancers and 8 singers. If four artists are to be selected at random, what is the probability that 2 dancers and 2 si...
A bag contains 7 green balls, 5 blue balls, and 10 yellow balls. A box contains 3 green balls and 8 yellow balls. A ball is randomly drawn from the box ...
A vessel contains 5 red, ‘x’ green and 3 blue ribbons. If two ribbons are drawn from the vessel randomly, then the probability of getting a red and ...
What is the probability that three S’s come consecutively in the word ‘SUCCESSION’?
A student is required to answer 4 questions out of 12 questions in an English paper, which are divided into two sections of 6 questions each. If the stu...
John is answering a survey with 3 questions, each with 2 options. Only one option is correct per question. If John answers randomly, what is the probabi...
