A. Rs. 2800
B. Rs. 2100
C. Rs. 4200
D. Rs. 8400
Explanation:
2X + Y = 7000
X + 2Y = 9800
Solving (i) and (ii), we get Y = 4200
Related Mcqs:
- The cost of 10 kg of apples is equal to the cost of 24 kg of rice. The cost of 6 kg of flour equals the cost of 2 kg of rice. The cost of each kg of flour is Rs.20.50. Find the total cost of 4 kg of apples, 3 kg of rice and 5 kg of flour?
A. Rs.849.40
B. Rs.877.40
C. Rs.901.60
D. Rs.815.20
E. None of these - A sum of money amounts to Rs 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is :
A. 5%
B. 8%
C. 12%
D. 15% - A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:
A. 5%
B. 8%
C. 12%
D. 15% - A property decreases in value every year at the rate of 6 1/4% of its value at the beginning of the year its value at the end of 3 years was Rs.21093. Find its value at the beginning of the first year?
A. Rs.25600.24
B. Rs.32000.50
C. Rs.18060.36
D. Rs.18600 - The value of a plant depreciates by 10 % annually. If the present value of the plant is Rs. 100000, then what will be its value after 2 years?
A. Rs. 8000
B. Rs 10000
C. Rs. 18000
D. Rs. 81000 - The cost of 2 chairs and 3 tables is Rs.1300. The cost of 3 chairs and 2 tables is Rs.1200. The cost of each table is more than that of each chair by__________?
A. Rs.70
B. Rs.75
C. Rs.50
D. Rs.60
E. None of these - The cost of 16 pens and 8 pencils is Rs.352 and the cost of 4 pens and 4 pencils is Rs.96. Find the cost of each pen?
A. Rs.32
B. Rs.28
C. Rs.36
D. Rs.25
E. None of these - Assume that 20 cows and 40 goats can be kept for 10 days for Rs.460. If the cost of keeping 5 goats is the same as the cost of keeping 1 cow, what will be the cost for keeping 50 cows and 30 goats for 12 days?
A. Rs.1104
B. Rs.1000
C. Rs.934
D. Rs.1210 - The value of a machine depreciates at 20% per annum. If its present value is Rs. 1,50,000, at what price should it be sold after two years such that a profit of Rs. 24,000 is made?
A. Rs. 1,10,000
B. Rs. 1,20,000
C. Rs. 1,24,000
D. Rs. 1,21,000
E. None of these - A man buys an article for 10% less than its value and sells it for 10% more than its value. His gain or loss percent is:________?
A. no profit, no loss
B. 20% profit
C. less than 20% profit
D. more than 20% profit
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