SSLC (English Medium) कक्षा ७ - Tamil Nadu Board of Secondary Education Question Bank Solutions

In how much time will the simple interest on ₹ 3,000 at the rate of 8% per annum be the same as simple interest on ₹ 4,000 at 12% per annum for 4 years?

The value of a machine depreciates at 10% per year. If the present value is ₹ 1,62,000, what is the worth of the machine after two years?

In simple interest, a sum of money amounts to ₹ 6,200 in 2 years and ₹ 6,800 in 3 years. Find the principal and rate of interest.

A sum of ₹ 46,900 was lent out at simple interest and at the end of 2 years, the total amount was ₹ 53,466. Find the rate of interest per year

Arun lent ₹ 5,000 to Balaji for 2 years and ₹ 3,000 to Charles for 4 years on simple interest at the same rate of interest and received ₹ 2,200 in all from both of them as interest. Find the rate of interest per year

If a principal is getting doubled after 4 years, then calculate the rate of interest. (Hint: Let P = ₹ 100)

(−10) × ____ = 20

____ × (−9) = −45

(−15) × 5 = 75

(−100) × 0 × 20 = 0

Given that AB is a straight line. Calculate the value of x° in the following cases

Given that AB is a straight line. Calculate the value of x° in the following cases

Given that AB is a straight line. Calculate the value of x° in the following cases

One angle of a linear pair is a right angle. What can you say about the other angle?

If the three angles at a point are in the ratio 1 : 4 : 7, find the value of each angle?

There are six angles at a point. One of them is 45° and the other five angles are all equal. What is the measure of all the five angles?

In the given figure the angles ∠1 and ∠2 are

The measure of ∠BOC is

In the given figure, find the value of x

Find the value of x, y and z