1. While reading a book, the ideal distance between the book and eye should be
- 25 cm
- 15 cm
25 cm, also known as a distance of distinct vision, is the minimum distance that person needs to maintain to prevent straining of eyes
2. Carrot, radish, sweet potatoes are the modifications of
- Stems
- Roots
3. Which of the following fractions is greater than 3/4 and less than 5/6 ?
- 1/2
- 2/3
- 4/5
- 9/10
3/4= 0.75
5/6= 0.833
1/2= 0.5
2/3= 0.66
4/5= 0.8
9/10= 0.9
Clearly, 0.8 lies between 0.75 and 0.833.
4/5 lies between 3/4 and 5/6
4. What decimal of an hour is a second?
- .0025
- .0256
- .00027
1/ (60*60) =1/3600= .00027
5. A person buys a book for Rs.200 and sells it for Rs.225. What will be his gain percent?
- 13%
- 14%
- 18.4%
- 12.5%
Given that, CP = Rs.200 and SP = Rs.225
Profit = SP - CP = 225 - 200 = Rs. 25
Gain % = profit/CP×100
= 25/200×100
= 12.5%
6. A person buys a book for Rs. 85 and sells it for Rs.98.60. Find his profit per cent.
- 12%
- 5%
- 16%
Given that, CP = Rs.85 and SP = Rs.98.60
Profit = SP - CP = 98.60 - 85 = Rs. 13.60
Gain % = 13.60/85×100
= 16%
7. Fill in the blank
The old banyan tree had__________ roots
- Gnarled
- Curving
8. Atulya finishes all her work quickly during the class. Atulya may be
- A case of ADHD(Attention Deficit Hyperactive Disorder)
- Naughty child
- A gifted child
9. What is the aim of group activity in classroom teaching?
- To reduce the workload of the teacher
- To make most children participate in learning
10. Which one is not a means of communication?
- Television
- Mobile phone
- Post office
- Inland letter