Question

u ule interest rate of 4% per annum.
(ii) 13 875 in 5 years at the interest rate of 6% per annum.
5. In what time will
(i) the interest on 36000 become 1200 at the rate of 5% per annum?
(ü) 8500 amount to 315 385 at the interest rate of 9% per annum?
6. Find the rate of simple interest if
(i) the interest on 4000 for 3 years is 600.
(ii) the interest on 1000 for 5 years amounts to 300.
7. A farmer takes a loan of 8400 at the simple interest rate of 7
time will he have to pay 10,920 to clear the debt?
1
-% per annum. After what
2
8. Samir borrows 360 000 from Rahim. He clears his debt by returning 764 000 to Rahim at
the end of 12 months. Find the rate of interest charged by Rahim.
9. A man took a loan of 6 lakh from his friend at the simple interest rate of 9% per annum.
At the end of 3 years, he cleared
his debt by paying 33 lakh and giving his flat to his friend.
What was the price of the flat?
10. (a) Find the rate of interest if a sum of money gets doubled in 16 years.
(b) Find the rate of interest if a sum of money gets doubled in 8 years.​

Answer 1

Perfect questions for guys interested in maths..

2. The value of x + x(xx) when x = 2 is:

(a) 10, (b) 16, (c) 18, (d) 36, (e) 64

Solution:

x + x(xx)

Put the value of x = 2 in the above expression we get,

2 + 2(22)

= 2 + 2(2 × 2)

= 2 + 2(4)

= 2 + 8

= 10

Answer: (a)