Question
A committee of 3 is to be formed from 5 boys and 4
girls. What is the probability that the committee contains at least 1 girl?Solution
Total number of ways to form a committee of 3 from 9 people (5 boys + 4 girls) Total Ways =Â 9C3 Using formula: 
Two varieties of rice, type 'Basmati rice' priced at Rs. 41 per kg and type' Brown rice' at Rs. 76 per kg, are available. To achieve a final mixture cos...
In what ratio must a person mix three kinds of rice costing him Rs 1.16,Rs 1.40 and Rs 1.72 per Kg so that the mixture may be worth Rs 1.37 per Kg?
12, 13, 22, 47, 96, ?
In what ratio rice at 58 Rs/kg should be mixed with the rice at 32 Rs/kg so that selling mixture at Rs 54 per kg gives the profit of 35% if the quantity...
What will come in the place of question mark (?) in the given expression?
(18.75% of 800 ÷ 5) of 40 ÷ 10 = ?
A sum of ₹ 62 was divided among 100 students. If each boy got 70 paisa and each girl got 45 paisa. Find the number of boys?
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The average age of 19 girls is 45 years. If the age of one more girl is added the average decreases by half a year. What is the age of new girl?
The average wage of a group of 23 labourers is Rs. 460. If 4 persons receiving average wage of Rs. 350 leave the group and 2 persons receiving average w...
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