Question
The average age of 35 employees in an office is 28
years. If the age of the manager is included, the average age increases by 2 years. Find the age of the manager.Solution
Total age of 35 employees = 35 × 28 = 980 New average = 28 + 2 = 30 Total age of 36 people = 36 × 30 = 1080 Age of the manager = 1080 - 980 = 100 Correct Option: d
A and B started a business. After 2 years they got Rs.1425 as profit. Find the ratio of the investments of A and B, if A’s share is Rs.525.
‘A’, ‘B’ and ‘C’ started a business by investing Rs. 3200, Rs. 4800 and Rs. 2400, respectively. After 4 months, ‘B’ left and ‘A’ and...
A man invested a certain amount in two schemes, A and B, in the ratio 3:2. Scheme A offers 12% annual simple interest, and Scheme B offers 10% annual si...
A, B, and C invest ₹12,000, ₹18,000, and ₹24,000, respectively, in a business. After 4 months, A withdraws ₹4,000, and B adds ₹6,000. C withdr...
A, B and C hired a taxi for Rs. 810 and used it for 2, 3, 4 hours respectively. Hiring charges paid by B are:
A, B and C started a business with initial investments of Rs. 4,000, Rs. 4,500 and Rs. 5,500 respectively. After one year, A, B and C made additional in...
- P and Q started a business by investing Rs. 24000 and Rs. 30000, respectively. After 4 months, R also joined them by investing Rs. 36000. If the annual pro...
‘A’ and ‘B’ invested Rs. 5000 and Rs. 4200, respectively in a business, together. After 6 months, ‘A’ withdrew 35% of his initial investment...
P and Q started a business by investing Rs.5600 and Rs.4000 respectively. After 4 months, Q increased his investment by a certain percentage such that a...
Two firms, X and Y, began a joint venture by investing in a ratio of 9:16. After six months, Firm Y withdrew its entire investment. At the end of the ye...
Relevant for Exams:
