Question
In a test consisting of 300 questions, Pooja answered
40% of the first 180 questions correctly. What number of the other questions does she require to answer correctly to score a total of 80 per cent in the exam?Solution
Total number of question = 300 Total no. of question to be answered correctly for her to score in exam to be 80% = 300 ×80 / 100 = 240 Required number of question = 240 - 180 ×40 / 100 = 240 – 72 = 168
P and Q together started a business with initial investment in the ratio of 1:3, respectively. The time-period of investment for P and Q is in the ratio...
- Ramesh and Suresh invested Rs. 2400 and Rs. 1800 in a business. At the end of the year, the profit was Rs. 8400. What is the difference in their share of p...
A, B, and C invested Rs. 3600, Rs. 2400, and Rs. x, respectively, in a business for equal time. If the profit received by C is Rs. 1200 out of a total p...
In a business there are two partners βPβ and βQβ. βPβ started the business with the capital of Rs. 25000 and after 3 months βQβ joined h...
Together, "Arjun" and "Vicky" invested Rs. 12,000 and Rs. 8,000 in a firm. After eight months, "Vicky" added Rs. 2000 to his initial investment, whereas...
M and N started a partnership with investments of Rs. 10,000 and Rs. 8,000. After 6 months, M increased his contribution by Rs. 2,000 and O joined with ...
Raj invested Rs.32000 in a business. After 7 months, Rohan joins him with an investment of Rs.P. If at the end of the year the profit is Rs.55000 and pr...
The savings of Arun and Bhaskar are same. The difference between the expenditure of Bhaskar and the savings of both Arun and Bhaskar together is 0. The ...
βPβ and βQβ started a business with investment of Rs. 3,000 and Rs. 4,200, respectively. After 8 months, βPβ increased his investment by Rs....
βAβ and βBβ started a business by investing Rs. βaβ and Rs. βa + 250β, respectively. If 12 months later the ratio of profit shares of οΏ½...
Relevant for Exams:
