class 7 Maths

Q1. Sonu measured the length of his lower arm as 2.7 units and his upper arm as 3.6 units. What is […]

Q1: Rewrite the expression 45 − (12 + 8) by removing the brackets and explain the changes in the signs

Q1: Write in numerals: twelve crore thirty-four lakh fifty-six thousand seven hundred eighty-nine.  Ans: 12,34,56,789Explanation: In the Indian system we group digits as

Q1: Simplify: Q2: Simplify:  Q3: Find:  Q4: Simplify:  Q5: A chocolate bar weighskg. If  kg is eaten, how much is left? Q6: If a wall is

Q1: Can a triangle exist with side lengths 4 cm, 5 cm, and 10 cm?  Ans: No.Explanation: Apply the triangle inequality: 4

Q1: What is the 20th even number in the sequence 2, 4, 6, 8, …? Ans: 40Explanation: The nth even number is 2n.

Q1: Define vertically opposite angles. Are they always equal?Ans: Vertically opposite angles are the angles opposite each other when two lines intersect.

Q1: If Priya’s age is p = 25 years, find Rahul’s age using the expression r = p – 4.  Ans: r

Q1. Estimate the sum of 25.936 and 8.202. Then calculate the exact sum. Is your estimation close? Solution:Estimate:25.936 ≈ 268.202

Q1: Find the values of the following expressions by writing the terms in each case. (a) 35 – 8 + 9