Question
√(24 × 5 ÷ ?) × 4 = 56 + 34 –
10 What will come in the place of question mark (?) in the given expression?Solution
ATQ, √(24 × 5 ÷ ?) × 4 = 56 + 34 – 10 √(120 ÷ ?) × 4 = 80 √(120 ÷ ?) = 80 ÷ 4 √(120 ÷ ?) = 20 120 ÷ ? = (20)2 120 ÷ ? = 400 ? = 0.30
In a basket, there are (x + 7) red balls, ‘x’ blue balls, and (x + 3) black balls. If the probability of picking two blue balls at random is (1/28),...
- A coin is tossed 5 times. ‘A’ wins the game if exactly 3 heads appear. Otherwise, ‘B’ wins. What is the probability that ‘A’ wins?
R goes to the gym either by cycle, car, or walking. On a specific day, the probability of him going by car is 0.3 less than the probability of walking a...
From a bag containing 12 white and 15 yellow ribbons, find the probability of picking 2 ribbons of each type at random.
From a well-shuffled deck of 52 cards, two cards are drawn one after the other without replacement. What is the probability that the first card is a red...
A bag contains a few red balls and 2 green balls. Two balls are drawn randomly without replacement. The probability that both balls are red is (2/5). Wh...
A box contains 5 red, 6 green and 3 yellow balls. 2 balls are drawn at random. What is the probability that they are not of the same colour?
Suppose p and q be two real functions continuous at a real number t. Then which of the following is true
In a box there are 3 red, 6 blue, and 9 yellow cards. One card is picked up randomly. What is the probability that it is neither red nor yellow?
In a lottery, there are 11 prizes and 30 blanks. A lottery is drawn at random. What is the probability of getting a prize?
Relevant for Exams:
