- Probability is calculated as (Number of favorable outcomes) / (Total number of possible outcomes). - Combinations (C(n, k)) are used to calculate the number of ways to choose items from a set without regard to order. - "Different colors" means the two balls drawn are not of the same color.
A basket contains 6 white, 7 red and 2 blue balls. If two balls are drawn simultaneously, what is the probability that both are of different color ?
Asked in GPSC Prelims CSP 1 2017 · Topic: Planning (Sectoral Planning (Agriculture, Industry, Infrastructure, Social Sector))
More Economic Development questions
- Rs. 1,380 are divided among A, B and C. The shares received by A, B and C were Rs. 5 less, Rs. 10 less and Rs. 15 less respectively, their shares would be in the ratio of 2 : 3 : 4. What is A's Share ?
- What is the approximate value of (15.01)² × √730 ?
- √730 is very close to √729 = 27. Using these approximations, the expression is approximately 15² × 27 = 225 × 27. 182. The sum of the present ages of A, B and C is 180 years. 12 years ago their ages were in the ratio of 1:2:3. What is the present age of C?
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- Select the correct option regarding the following assertions. Assertion (A): The Bharatmala Pariyojana, approved by Government of India in 2017, envisages development of about 26,000 km length of Economic Corridors. Assertion (B): The Bharatmala Pariyojana is being funded from Cess collected from Petrol & Diesel, Toll etc.
- Consider the following statements for NEP. 1. The National Energy Policy (NEP) aims to chart the way forward to meet the Government's recent bold announcements in the energy domain. 2. All the Census villages are planned to be electrified by 2018, and universal electrification is to be achieved with 24 × 7 electricity by 2022. Select the correct answer using the code given below:
- Match List-I and List-II with regard to plan outlays (2021-22) and select the correct answer from the codes given below: List-I List-II (i) Agriculture and Allied Ser‐ (a) 3221.49 vices crore (ii) Energy (b) 903.57 crore (c) 2724.32 (iii) Transport crore (iv) Social services (d) 929.31 crore (e) 773.30 crore Codes : (i) (ii) (iii) (iv)