SSLC (English Medium) Class 7 - Tamil Nadu Board of Secondary Education Question Bank Solutions for Mathematics

Find the unit digit of expanded form.

24²⁵

Find the unit digit of expanded form.

34¹⁶

Find the unit digit of the following numeric expression.

114²⁰ + 115²¹ + 116²²

Find the unit digit of the following numeric expression.

10000¹⁰⁰⁰⁰ + 11111¹¹¹¹¹

Observe the equation (10 + y)⁴ = 50625 and find the value of y

The unit digit of (32 × 65)⁰ is

The unit digit of the numeric expression 10⁷¹ + 10⁷² + 10⁷³ is

Find the unit digit of 124¹²⁸ × 126¹²⁴

Find the unit digit of the numeric expression: 16²³ + 71⁴⁸ + 59⁶¹

Ramu scored 20 out of 25 marks in English, 30 out of 40 marks in Science and 68 out of 80 marks in mathematics. In which subject his percentage of marks is best?

Peter requires 50% to pass. If he gets 280 marks and falls short by 20 marks, what would have been the maximum marks of the exam?

Roja earned ₹ 18,000 per month. She utilized her salary in the ratio 2 : 1 : 3 for education, savings and other expenses respectively. Express her usage of income in percentage

The ratio of Saral’s income to her savings is 4 : 1. What is the percentage of money saved by her?

A salesman is on a commission rate of 5%. How much commission does he make on sales worth ₹ 1,500?

Given that x ≥ y. Fill in the blank with suitable inequality sign

x + 6 `square` y + 6

Given that x ≥ y. Fill in the blank with suitable inequality sign

– xy `square` – y²

Given that x ≥ y. Fill in the blank with suitable inequality sign

x – y `square` 0

Linear inequation has almost one solution

When x is an integer, the solution set for x ≤ 0 are −1, −2, ...

Solve the following inequation

x ≤ 7, where x is a natural number