Question

Attempt the following real life based problems
L1 questions

1. The length of a rectangular field is twice its breadth. If the perimeter of the field is 150 m, find the dimensions of its sides.

2. The sum of two numbers is 30. If one of the numbers is twice that of the other, find the two numbers.

L2 questions

3. A man spends one-third of his monthly income on food, one-fourth on children’s education and one-sixth on clothing. He keeps the remaining `7000 for other expenses. Find his monthly income.

4. The difference in the measures of two complementary angles is 12°. Find the measure of the angles.

L3 questions

5. Amina’s age is 5 years more than 4 times the age of Suman. If Amina’s age is 45 years, find Suman’s age.

6. The difference of two supplementary angles is 720. Find the angles.

Answer 1

Answer:

et the breadth of rectangular field be x.

Then its length will be 2x.

Given, perimeter =288=2(l+b) m

Therefore, 2(x+2x)=288

6x=288

x=48 m

Now, length will be 2x=2×48=96 m.

Step-by-step explanation: