Question
A box contains 5 blue jellies, some red jelly and rest yellow jelly. The probability of picking a red ball at random is 3/10, while the probability of picking a yellow jelly at random is 1/5. Find the total number of jellies in the box.
More Probability Questions
- A bag contains 6 blue, 9 yellow and 15 white balls. Two balls are randomly drawn from the bag, what is the probability that a blue and a white ball are dra...
- A box contains 4 red, 5 blue, and 3 green balls. Two balls are drawn at random without replacement. What is the probability that the two balls drawn are of...
- A piggy bank has seven 25 paise coins, five Rs. 2 coins, and thirteen Rs. 5 coins. One of the coins fell and got lost. Find the probability that the lost c...
- In a box there are 8 red, 7 blue, and 6 green balls. One ball is picked up randomly. What is the probability that it is neither red nor green?
- If a coin is tossed repeatedly and the head appears for the first 94 times then what is the probability that the tail appears on the 95th toss?
- 24 pens are there in a box where 10 are red pens, ‘p’ are blue pens and remaining are black pens. If a pen is picked, the probability of getting blue pen i...
- A box contains 4 red, 5 blue and 3 green balls. Two balls are drawn at random without replacement. Find the probability that both balls are of the same col...
- What is the Probability of getting a sum of ‘9’ on rolling a dice twice?
- The probability of selecting a rotten apple randomly from a heap of 1050 apples is 0.36. What is the number of rotten apples in the heap?
- Find the probability of selecting a heart or a diamond card from a well shuffled deck.
Relevant for Exams:
Hey! Ask a query
Please enter email id
The email must be a valid email address.
Please enter Mobile Number
Please enter valid Mobile Number
Please enter your Doubt
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
- 200 Questions with Detailed Solutions
- Section-wise Coverage (GA, English, Quant & Reasoning)