Question
There are 14 boys and 6 girls giving interview for a
job. If three of them are selected, then what is the probability that one of the three is a girl and the other two are the boys?Solution
Total Number of candidates = 20 Let ‘S’ be the Sample Space Then, n(S) = number of ways of three candidates who got selected n(S) = 20C3 = 1140 Let ‘E’ be the event of 1 girl and 2 boys selected Therefore, n(E) = number of possibility of 1 girl out of 6 and 2 boys out of 14 n(E) = 6C1 × 14C2 = 546 Now the required Probability = (n(E))/(n(S)) = 546/1140 = 91/190
How much was India’s services trade surplus for Q3 FY25, as reported in the Trade Watch Quarterly?
The central government has inked a pact with multi-lateral funding agency Asian Development Bank for USD 61 million (around Rs 454 crore) loan to fund d...
Who presented the First-Class Medal of Independence to the ambassador of Paraguay in the UAE?
How much penalty has been imposed on SBM Bank (India) by the Reserve Bank of India?
Which international sports tournament is associated with the Webb Ellis Cup?
Match the following:
Super Computers Installed Location
What budget allocation was set for roads and highways for the year ending March 2026?
What was the theme of the International Day for Biological Diversity (IDB) 2025?
Which private sector bank in India has acquire Citibank’s India consumer business for an amount of USD 1.6 billion (Rs 12,325 crores)?
Which organization executed the electrification works of the Dudhnai – Mendipathar and Abhayapuri – Pancharatna railway sections?
Relevant for Exams:
