Topics

The difference between compound interest and simple interest for 2 years at the rate of 10% over principal amount of z X is z 10. What is the value of X ?


A) RS.100

B) RS.1,000

C) RS.500

D) RS.5,000

Correct Answer:
B) RS.1,000

Description for Correct answer:


For Rs.100, difference is 1

For difference of 10

Principal amount\( \Large (x) = Rs.(100 \times 10) \)

= Rs.1000

Option (B)is correct

Part of solved CDS Maths(1) questions and answers : Exams >> CDSE >> CDS Maths(1)




Comments
No comments available




Similar Questions
1). A sum of money becomes 3 times in 5 years at simple interest. In how many year will the same sum become 6 times at the same rate of simple interest? (
A). 10 years
B). 12 years
C). 12.5 years
D). 10.5 years
-- View Answer
2). A man buys 200 oranges for Rs.1,000. How many oranges for Rs.100 can he sell to that his profit percentage is 25%?
A). 10
B). 14
C). 16
D). 20
-- View Answer
3). If m% of m + n =2% of (m X n), then what percentage of m is n ?
A). 50%
B). 75%
C). 100%
D). Cannot be determined due to insufficient data
-- View Answer
4). If the side of a cube is increased by 100% then by what percentage is the surface area of the cube increased?
A). 150%
B). 200%
C). 300%
D). 400%
-- View Answer
5). How many pairs. M p positive integers \( m\) and \( n\) satisfy the equation \( \Large \frac{1}{m} \)+\( \Large \frac{4}{n} \)= \( \Large \frac{1}{12} \)
Where \( n\) is an odd integer less than 60?
A). 7
B). 5
C). 4
D). 3
-- View Answer


6). The sides of a triangle are in the ratio \( \Large \frac{1}{2} \) : \( \Large \frac{1}{3} \) : \( \Large \frac{1}{4} \) If its perimeter is 52 cm, then what is the length of the smallest side?
A). 9 cm
B). 10 cm
C). 11 cm
D). 12 cm
-- View Answer
7). The diameter of a metallic sphere is 6 cm. The sphere is melted and drawn into a wire of uniform circular cross-section. If the length of the wire is 36 m, then what is its radius equal to ?
A). 0.1 cm
B). 0.01 cm
C). 0.001 cm
D). 1.0 cm
-- View Answer
8). Consider all those two-digit positive integers less than 50, which when divided by 4 yield unity as remainder. What is their sum?
A). 310
B). 314
C). 318
D). 323
-- View Answer
9). If every side of an equilateral triangle is doubled. then the area of new triangle becomes I: times the area of the old one. What is h equal to ?
A). \( \sqrt{3}\)
B). 2
C). 4
D). 8
-- View Answer
10). If \(a_{n}= 3 - 4n \), then what is \(a_{1} + a_{2} + a_{3} + ...... + a_{n}\) equal to \( [ 1 + 2 + 3 + ..... + n = \frac{n(n + 1)}{2}]\)
A). -n(4n-3)
B). -n(2n-1)
C). -\(n^{2}\)
D). -n(2n-1)
-- View Answer
Home About Us Terms and Conditions Privacy Policy Contact us