CBSE Class 10 - Maths - 5 Minutes Revision of Probability

Probability

5 Minutes Revision

1. The sample space of an experiment is the set of all possible outcomes of the experiment.


2. The sample space when a coin is tossed three times is

     S  = {HHH, HHT, HTH, HTT, THH, THT, TTH, TTT}

3. Basic formula to find Probability of an event (E) is

	Number of Favourable Outcomes
P(E) =
	Total Number of Outcomes

4. An event that is not very likely has a probability close to 0.


5. An event that is very likely has a probability close to 1 (100%).


6. If probability of happening an event is x then probability of not happening that event is (1-x).


7. If probability of winning a game is 0.6 then probability of loosing it is (1-0.6) = 0.4

CBSE Class 7 - Maths Quiz (2016)

Maths Quiz

MCQs

Q1: The next two terms of the sequence are:
    7, 14, 28, 56, ...

(a) 72, 96
(b) 112, 224
(c) 96, 192
(d) 72, 144


Q2: The probability of getting a consonant from the word "MISSISIPI" is ________?

(a) 4/9
(b) 5/9
(c) 2/3
(d) 2/9



Q3: A parallelogram has ________

(a) No line of symmetry
(b) One line of symmetry
(c) Two lines of symmetry
(d) Three lines of symmetry



Q4: The measures of an angle supplement to the angle of 70° is ______.

(a) 20°
(b) 110°
(c) 70°
(d) 160°


Q5: Anu wanted to score 26 points in the game of cards, but ends up only 8/3 points. By how many points did she fail short?

(a) 70/3
(b) 16/5
(c) 64/3
(d) 62/5

CBSE Class 12 - Biology- Sample Question Paper with Marking Scheme(2016)

CBSE Class 12 - Biology- Sample Question Paper with Marking Scheme(2016) 

CBSE Class 12 - Accountancy- Sample Question Paper with Marking Scheme(2016)

CBSE Class 12 - Accountancy- Sample Question Paper with Marking Scheme(2016) 

CBSE Class 7 - Science Quiz (2016)

SCIENCE QUIZ

MCQs based NCERT Class 7 Science Chapters

Q1: The vessels which carry carbon dioxide rich blood from all parts of the body back to the heart are called 

(a) Veins
(b) Arteries
(c) Capillaries
(d) Valves



Q2: There are some chemicals secreted by an insect to attract attention of other members of species. These are called

(a) vitamins
(b) hormones
(c) fibronin
(d) pheromones



Q3: Which gas is produced when sludge is digested?

(a) Methane
(b) Ethane
(c) Propane
(d) Butane



Q4: What do we call the network of several food chains connecting each other?

(a) Food Web
(b) Food Chain
(c) Food Cycle
(d) Trophic Level



Q5: Nagma was playing basketball with her team mates. Just after the game her pulse rate will

(a) increase
(b) decrease
(c) remains same
(d) none of these

CBSE class 9 - हिंदी (ब) - कार्यपत्र (Worksheet) - २०१६

कक्षा ९ - हिंदी (ब)

कार्यपत्र

प्र १: निम्मलिखित शब्दों का वर्ण विच्छेद कीजिए
       मनुष्य , दृग

प्र २: निम्मलिखित शब्दों में उचित स्थान पर अनुस्वार का प्रयोग करते हुए मानक शुद्ध रूप लिखिए
       सन्यासी, कङघा

प्र ३: निम्मलिखित शब्दों में उपयुक्त स्थानों पर अनुनासिक चिन्हों का प्रयोग कीजिए
       आच, गाव

प्र ४: निम्मलिखित शब्दों में उपयुक्त स्थानों पर नुक्ता लगा कर पुन: लिखें
       मंजिल, जालिम

प्र ५: निम्मलिखित शब्दों में मूल शब्दों व उनमे प्रयुक्त उपसर्गों को अलग-अलग करके लिखिए
        दुर्बल, दुर्भाग्य

प्र ६: निम्मलिखित शब्दों में मूल शब्दों व उनमे प्रयुक्त प्रत्ययों को अलग-अलग करके लिखिए
       सामाजिक, दक्षिणी

CBSE Class 12 - Chemistry- Sample Question Paper with Marking Scheme (2016)

CBSE Class 12 - Chemistry- Sample Question Paper with Marking Scheme (2016)