Q22 of 32 Page 46

Let us determine the money for which monthly interest is ₹1 having the rate of simple interest of 5% per annum.

Let’s assume The Principal is Rs. ‘P’


P = P, r = 5, t = year and I = Rs. 1


As we know,





⇒ P = Rs. 240


More from this chapter

All 32 →
22

Let us write the number of yrs. for which a principal becomes twice of its amount having the rate of simple interest of % per annum.

 22

The rate of simple interest per annum reduces 4% to % and for this, Amalbabu’s annual income decreases by ₹60. Let us determine Amal babu’s principal.

 22

What is the rate of simple interest per annum, when the interest of some money in 4 yrs. will be part of its principal-le us determine it.

 22

What is the rate of simple interest per annum, when the interest of some money in 10yrs. will be part of its amount (principal along with interest)-Let us determine it.