Question
The ratio of males to females appearing for an exam in
Ranchi is 13:24. It is known that 20% of the males and 25% of the females cleared the exam. If the number of candidates who failed the exam is 142, determine the total number of candidates who appeared for the exam.Solution
Let the number of males and females who appeared in the exam be 13x and 24x respectively.
According to the question,
(0.8 × 13x) + (0.75 × 24x) = 142
Or, x = 142/28.4 = 5
Total number of males and females who appeared in the exam = (13x + 24x) = 185
A and B started a business by investing Rs. 12,000 and Rs. 18,000 respectively. A also worked as the active manager and for that he is entitled to recei...
‘P’ and ‘Q’ invested Rs. (x + 300) and Rs. (x – 500) respectively in a business for 2 months and 4 months. If P’s share of the profit is Rs....
P, Q, and R invest ₹15,000, ₹20,000, and ₹25,000, respectively, to start a business. At the end of the year, the total profit is ₹60,000. P, as ...
Neil and Nitin start a business by investing ₹12,000 and ₹ y , respectively. Mukesh joins the venture after 9 months by investing ₹(12,000 + y). A...
‘Karan’ invested Rs. 3,000 in a business. After 5 months, ‘Lokesh’ joined with 60% of Karan’s investment. If the total profit at the end of th...
Pawan and Qureshi initiated a business with investments of Rs. 20,800 and Rs. 16,000, respectively. After 't' months, Rinku joined them with an investme...
The contributions made by Amit and Bupi are in the ratio of 5:3. If 20% of total profit is donated and Amit gets 5000 as his share of profit, what is th...
A, B and C invested in partnership. A invest Rs.8000 for 7 months, B invests Rs.6000 for 4 months and C invests Rs.12000 for 2 months. C is working part...
X and Y started a business by investing Rs. 1600 and Rs. 2400 respectively. After 4 months, Y withdrew his money and Z joined with an investment of Rs. ...
In a business there are two partners ‘P’ and ‘Q’. ‘P’ started the business with the capital of Rs. 24000 and after 3 months ‘Q’ joined h...
Relevant for Exams:
