Imp Questions For All Chapters – Ganit Prakash Class 7th
A Peek Beyond the Point
1. What is meant by 2.7 cm?
Ans: It means 2 cm and 7 one-tenths of a cm (2 cm + 7/10 cm).
2. How many tenths make one unit?
Ans: 10 tenths make one unit.
3. How do we read 4.1 and 41.1?
Ans: 4.1 is read as “four and one-tenth” and 41.1 as “forty-one and one-tenth.”
4. What is 3 + 6 tenths + 4 hundredths written as a decimal?
Ans: It is written as 3.64.
5. What is the decimal form of 1 cm 5 mm?
Ans: 1.5 cm (since 5 mm = 0.5 cm).
6. What is the meaning of 0.01 in decimal?
Ans: It is one-hundredth of a unit.
7. How many hundredths make one tenth?
Ans: 10 hundredths make one tenth.
8. What is the decimal for 3 ones, 2 tenths and 5 hundredths?
Ans: 3.25
9. What is the place value of 4 in the number 7.45?
Ans: 4 tenths or 0.4.
10. What is 25.936 + 8.202? Estimate using whole number parts.
Ans: Estimate: 25 + 8 = 33; Actual sum = 34.138.
11. Add 2.7 m and 3.5 m.
Ans: 2.7 + 3.5 = 6.2 m
12. Subtract 3.5 m – 2.7 m.
Ans: 0.8 m
13. Find the total length: 2.7 units and 3.6 units.
Ans: 2.7 + 3.6 = 6.3 units
14. Convert 254 g to kg.
Ans: 0.254 kg
15. Convert 75 paise to rupees.
Ans: ₹0.75
16. How many mm in 5.6 cm?
Ans: 56 mm (since 1 cm = 10 mm)
17. Compare 0.2, 0.20 and 0.200. Are they equal?
Ans: Yes, all represent the same value.
18. Which is greater: 6.456 or 6.465?
Ans: 6.465 is greater.
19. What is the difference between 25.9 and 6.47?
Ans: 25.9 – 6.47 = 19.43
20. Write 1.5 hours in minutes.
Ans: 1 hour + 0.5 hour = 60 + 30 = 90 minutes
Leave a Reply