Problem Solving MCQ Set 33

Question: A gentleman buys every year Bank's cash certificates of value exceeding the last year's purchase by Rs. 300. After 20 years, he finds that the total value of the certificates purchased by him is Rs. 83,000. Find the value of the certificates purchased by him in the 13th year.

1. Rs. 4900
2. Rs. 6900
3. Rs. 1300
4. None of these.

Question: From the following choices what is the equation of a line whose x intercept is half as that of the line 3x + 4y = 12 and y intercept is twice as that of the same line.

1. 3x + 8y = 24
2. 8x + 3y = 24
3. 16x + 3y = 24
4. 3x + y = 6

Question: Pipe A can fill a tank completely in 5 hours. However, on account of a leak at the bottom of the tank, it takes 3 more hours to fill the tank. How long will the leak take to empty a full tank, when pipe A is shut?

1. 13 hours 20 minutes
2. 7.5 hours
3. 1 4 hours 40 minutes
4. None of these

Question: The sum of the first 50 terms common to the series 15,19,23 ... and 14,19,24 ... is

1. 25450
2. 24550
3. 50900
4. Cannot be determined

Question: For what values of 'x' will the function be defined in the real domain?

1. -10 < x < 4
2. 4 < x < 10
3. x does not lie between the closed interval 10 and 4
4. x does not lie between the open interval 4 and 10

Question: Find the sum of all the integers which are multiples of 7 and lie between 200 and 400.

1. 8729
2. 8700
3. 8428
4. None of these