Find the value of x when y = 5, if x varies directly as 4y-1 and x = 14 when y = 2.

Related Mcqs:

1. 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

2. 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

3. Three quantities X, Y and Z are such that XY=kZ where k is constant. Initially, X was at 4 and X:Y:Z was 2:3:4. If the value of Y is changed to 12 and Z is kept constant, find the value of X.

   A. 2
   B. 3
   C. 5
   D. 6

4. 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

5. 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

6. The average weight of 25 persons sitting in a boat had some value. A new person added to them whose weight was 46 kg only. Due to his arrival, the average weight of all the persons decreased by 5 kg. Find the average weight of first 25 persons?

   A. 55 kg
   B. 62 kg
   C. 56 kg
   D. None

7. If a and b are the roots of the equation x² – 9x + 20 = 0, find the value of a² + b² + ab?

   A. -21
   B. 1
   C. 61
   D. 21

8. Every year an amount increases by 1/8th of itself. How much will it be after two years if its present value is Rs.64000?

   A. Rs.81000
   B. Rs.80000
   C. Rs.75000
   D. Rs.64000

9. How many shares of market value Rs. 25 each can be purchased for Rs. 12750, brokerage being 2% ?

   A. 450
   B. 500
   C. 550
   D. 600

10. An amount of 5,000 is invested at a fixed rate of 8 per cent per annum. What amount will be the value of the investment in five years time, if the interest is compounded every six months?

    A. 7401.22
    B. 3456
    C. 4567
    D. 7890