Teachoo MCQ Test

Picture-based MCQ Quiz

Preparing for CBSE

Chapter 7 Class 7 - Finding the Unknown (Ganita Prakash II) | 5 questions

Timed test. Answer every question before time runs out. Correct answers and solutions appear after submission.
Time remaining 480
Question 1 of 5
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Question 1 of 5
The balanced scale shows \(3s+8\) on the left and \(2s+23\) on the right. What is one s-weight?
Balanced equation modelA balanced scale has 3s + 8 on the left and 2s + 23 on the right.3s + 82s + 23balanced
Select one option. Answers are shown after the test.
Question 2 of 5
The machine multiplies an input by 4, subtracts 6, and divides by 2. Its output is 17. Find the input.
Input-output machineAn unknown input passes through operations ['× 4', '− 6', '÷ 2'] and produces 17.?× 4− 6÷ 217
Select one option. Answers are shown after the test.
Question 3 of 5
The model gives 28 heads and 80 feet. Each child has 2 feet and each donkey has 4. How many donkeys and children are there?
Heads-and-feet modelChildren have two feet and donkeys have four; together there are 28 heads and 80 feet.28 heads and 80 feetChildrenc1 head2 feetDonkeysd1 head4 feet
Select one option. Answers are shown after the test.
Question 4 of 5
The picture has 25 dots altogether: 5 are visible and four identical blobs hide the same number x. How many dots are under one blob?
Hidden dots modelFive dots are visible and four identical blobs each hide x dots; total 25.25 dots in totalxxxx
Select one option. Answers are shown after the test.
Question 5 of 5
The balanced model says one person has ₹300 and 6 horses, while another has 10 horses and a ₹100 debt. If each horse costs ₹h, what is h?
Balanced equation modelA balanced scale has ₹300 + 6h on the left and 10h − ₹100 on the right.₹300 + 6h10h − ₹100balanced
Select one option. Answers are shown after the test.