Class 7 math solution WBBSE provides detailed questions and answers for effective learning and exam preparation. Improve your math skills with expert solutions.
Math is a crucial subject in the Class 7 curriculum. It helps build strong analytical and problem-solving skills. In this article, we will provide detailed solutions for Class 7 math questions under the WBBSE board. The solutions are designed to assist students in understanding concepts and preparing for exams effectively.
Question 1:
Question: What is the sum of 356 and 482?
Answer: The sum of 356 and 482 is 838.
Question 2:
Question: Subtract 235 from 654.
Answer: The difference when 235 is subtracted from 654 is 419.
Question 3:
Question: Multiply 45 by 23.
Answer: The product of 45 and 23 is 1035.
Question 4:
Question: Divide 625 by 25.
Answer: 625 divided by 25 gives 25.
Question 5:
Question: What is the square of 12?
Answer: The square of 12 is 144.
Question 6:
Question: Find the perimeter of a rectangle with length 12 cm and breadth 8 cm.
Answer: The perimeter of the rectangle is 40 cm.
Question 7:
Question: What is the area of a triangle with base 10 cm and height 5 cm?
Answer: The area of the triangle is 25 cm².
Question 8:
Question: Solve for x: 2x + 5 = 15.
Answer: x = 5.
Question 9:
Question: What is the value of π (pi) up to two decimal places?
Answer: The value of π is approximately 3.14.
Question 10:
Question: What is the product of 15 and 16?
Answer: The product of 15 and 16 is 240.
Question 11:
Question: Convert 3.5 liters into milliliters.
Answer: 3.5 liters is equal to 3500 milliliters.
Question 12:
Question: Solve the equation: 5x - 7 = 18.
Answer: x = 5.
Question 13:
Question: Find the average of 10, 15, 20, and 25.
Answer: The average is 17.5.
Question 14:
Question: What is the value of 7²?
Answer: The value of 7² is 49.
Question 15:
Question: Simplify the expression: 5 + 3 × 2.
Answer: The simplified expression is 11.
Question 16:
Question: What is the sum of angles in a triangle?
Answer: The sum of the angles in a triangle is 180°.
Question 17:
Question: Find the area of a circle with radius 7 cm.
Answer: The area of the circle is approximately 153.94 cm².
Question 18:
Question: Solve for y: 3y - 4 = 11.
Answer: y = 5.
Question 19:
Question: What is the perimeter of a square with side length 6 cm?
Answer: The perimeter of the square is 24 cm.
Question 20:
Question: Convert 1500 grams to kilograms.
Answer: 1500 grams is equal to 1.5 kilograms.
Question 21:
Question: What is the sum of 123 and 456?
Answer: The sum of 123 and 456 is 579.
Question 22:
Question: Subtract 300 from 750.
Answer: The difference when 300 is subtracted from 750 is 450.
Question 23:
Question: Multiply 12 by 15.
Answer: The product of 12 and 15 is 180.
Question 24:
Question: Divide 1000 by 50.
Answer: 1000 divided by 50 gives 20.
Question 25:
Question: Find the square of 14.
Answer: The square of 14 is 196.
Question 26:
Question: What is the perimeter of a square with side length 9 cm?
Answer: The perimeter of the square is 36 cm.
Question 27:
Question: What is the area of a rectangle with length 7 cm and breadth 9 cm?
Answer: The area of the rectangle is 63 cm².
Question 28:
Question: Solve for x: 3x + 7 = 22.
Answer: x = 5.
Question 29:
Question: Find the value of π (pi) to three decimal places.
Answer: The value of π is approximately 3.142.
Question 30:
Question: What is the product of 18 and 17?
Answer: The product of 18 and 17 is 306.
Question 31:
Question: Convert 4.2 liters into milliliters.
Answer: 4.2 liters is equal to 4200 milliliters.
Question 32:
Question: Solve the equation: 7x - 10 = 31.
Answer: x = 6.
Question 33:
Question: Find the average of 12, 18, 24, and 36.
Answer: The average is 22.5.
Question 34:
Question: What is the value of 6²?
Answer: The value of 6² is 36.
Question 35:
Question: Simplify the expression: 4 + 5 × 3.
Answer: The simplified expression is 19.
Question 36:
Question: What is the sum of angles in a quadrilateral?
Answer: The sum of the angles in a quadrilateral is 360°.
Question 37:
Question: Find the area of a circle with radius 10 cm.
Answer: The area of the circle is approximately 314.16 cm².
Question 38:
Question: Solve for y: 4y - 2 = 18.
Answer: y = 5.
Question 39:
Question: What is the perimeter of a rectangle with length 8 cm and breadth 5 cm?
Answer: The perimeter of the rectangle is 26 cm.
Question 40:
Question: Convert 2500 milliliters to liters.
Answer: 2500 milliliters is equal to 2.5 liters.
Question 41:
Question: What is the sum of 783 and 219?
Answer: The sum of 783 and 219 is 1002.
Question 42:
Question: Subtract 180 from 500.
Answer: The difference when 180 is subtracted from 500 is 320.
Question 43:
Question: Multiply 56 by 8.
Answer: The product of 56 and 8 is 448.
Question 44:
Question: Divide 960 by 48.
Answer: 960 divided by 48 gives 20.
Question 45:
Question: What is the square of 18?
Answer: The square of 18 is 324.
Question 46:
Question: Find the perimeter of a triangle with sides 6 cm, 8 cm, and 10 cm.
Answer: The perimeter of the triangle is 24 cm.
Question 47:
Question: What is the area of a square with side length 4 cm?
Answer: The area of the square is 16 cm².
Question 48:
Question: Solve for x: 4x - 9 = 19.
Answer: x = 7.
Question 49:
Question: What is the value of π (pi) to two decimal places?
Answer: The value of π is approximately 3.14.
Question 50:
Question: What is the product of 32 and 25?
Answer: The product of 32 and 25 is 800.
Question 51:
Question: Convert 6.4 liters into milliliters.
Answer: 6.4 liters is equal to 6400 milliliters.
Question 52:
Question: Solve the equation: 9x + 6 = 42.
Answer: x = 4.
Question 53:
Question: Find the average of 5, 10, 15, and 20.
Answer: The average is 12.5.
Question 54:
Question: What is the value of 8²?
Answer: The value of 8² is 64.
Question 55:
Question: Simplify the expression: 6 + 7 × 4.
Answer: The simplified expression is 34.
Question 56:
Question: What is the sum of angles in a hexagon?
Answer: The sum of the angles in a hexagon is 720°.
Question 57:
Question: Find the area of a circle with radius 12 cm.
Answer: The area of the circle is approximately 452.39 cm².
Question 58:
Question: Solve for y: 5y - 7 = 23.
Answer: y = 6.
Question 59:
Question: What is the perimeter of a square with side length 15 cm?
Answer: The perimeter of the square is 60 cm.
Question 60:
Question: Convert 4500 milliliters to liters.
Answer: 4500 milliliters is equal to 4.5 liters.
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