Question Paper
Class / Subject: Class 7 (ICSE) · Mathematics
Chapter: Chapter 7 — Chapter 7: Unitary Method (Including Time and Work)
Time Allowed: 32 minutes
Max Marks: 16
1. What does the unitary method find first? [1]
(A) The value of one unit
(B) The final answer directly
(C) Nothing specific
(D) Only the largest value
2. If 4 workers complete a job in 6 days, what are the total work units? [1]
(A) 24
(B) 10
(C) 4
(D) 6
3. Why calculate work units? [1]
(A) To solve related work problems
(B) No reason
(C) To confuse the problem
(D) It's not useful
4. If 1 worker takes 12 days for a job, how long would 2 workers take? [1]
(A) 6 days
(B) 24 days
(C) 12 days
(D) 3 days
5. What does the unitary method help calculate in work problems? [1]
(A) Needed workers or days
(B) Only costs
(C) Only distances
(D) Nothing useful
6. Is the unitary method used only for money? [1]
(A) No, also for time and work
(B) Yes, only money
(C) No, only distance
(D) It has no other uses
7. Why is the unitary method valuable? [1]
(A) It's flexible for many problem types
(B) It only works for one type of problem
(C) It has no value
(D) It's overly complex
8. If 6 workers build a wall in 10 days, how long for 1 worker? [1]
(A) 60 days
(B) 10 days
(C) 6 days
(D) 16 days
9. What does the unitary method find first? [1]
(A) The value of one unit
(B) The final answer directly
(C) Nothing specific
(D) Only the largest value
10. If 4 workers complete a job in 6 days, what are the total work units? [1]
(A) 24
(B) 10
(C) 4
(D) 6
11. Why calculate work units? [1]
(A) To solve related work problems
(B) No reason
(C) To confuse the problem
(D) It's not useful
12. If 1 worker takes 12 days for a job, how long would 2 workers take? [1]
(A) 6 days
(B) 24 days
(C) 12 days
(D) 3 days
13. What does the unitary method help calculate in work problems? [1]
(A) Needed workers or days
(B) Only costs
(C) Only distances
(D) Nothing useful
14. Is the unitary method used only for money? [1]
(A) No, also for time and work
(B) Yes, only money
(C) No, only distance
(D) It has no other uses
15. Why is the unitary method valuable? [1]
(A) It's flexible for many problem types
(B) It only works for one type of problem
(C) It has no value
(D) It's overly complex
16. If 6 workers build a wall in 10 days, how long for 1 worker? [1]
(A) 60 days
(B) 10 days
(C) 6 days
(D) 16 days