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Write the sample space for selecting a day randomly of the week.
Concept: Sample Space
In a certain race, there are three boys A, B, C. The winning probability of A is twice than B and the winning probability of B is twice than C. If P(A) + P(B) + P(C) = 1, then find the probability of win for each boy.
Concept: Basic Ideas of Probability
Find the class mark of the classes 20-30 and 30-40.
Concept: Basic Ideas of Probability
Which number cannot represent a probability?
Concept: Basic Ideas of Probability
A balloon vendor has 2 red, 3 blue and 4 green balloons. He wants to choose one of them at random to give it to Pranali. What is the probability of the event that Pranali gets, a red balloon
Concept: Basic Ideas of Probability
Two coins are tossed simultaneously. Write the sample space ‘S’.
Concept: Sample Space
For a certain frequency distribution, the value of Mean is 101 and Median is 100. Find the value of Mode.
Concept: Median of Grouped Data
Find the mode from the following information:
L = 10, h = 2, f0 = 58, f1 = 70, f2 = 42.
Concept: Mode of Grouped Data
Rewrite the following sentences, replacing ‘as soon as’ by ‘No sooner than’
As soon as the thief escaped, the family informed the police.
Concept: Use ‘As Soon As’, ‘either ... or’ and ‘No Sooner ... Than’
Pick out the gerund from the following sentence:
The attitude of taking destroys families.
Concept: Parts of Speech > Verb
Change the following sentences into indirect speech:
Robert asked, “Joan. how old are you?” “I am 13 years old,” she replied.
Concept: Direct-Indirect Speech
How will you manage the litter during the field visit?
Concept: Preparations for Field Visits
Identify the correct correlation and make a chain.
| A | B | C |
| 1) Ganga river | i) Pau Brasil | a) trees shed their leaves |
| 2) Amazon river | ii) sediments deposit | b) there are islands at its mouth |
| 3) Brazil | iii) Teak trees | c) country named after it |
| 4) Deciduous forests | iv) no sediments | d) distributaries at the mouth |
Concept: Brazil - Location, Size and Extent
What problems did Brazil and India face after independence?
Concept: Historical Background of India
Give the geographical reasons for the following:
Most of the Himalayan rivers are perennial in nature.
Concept: The North Indian Mountains > The Himalayas
Give geographical reasons.
Tropical cyclones occur rarely in Brazil.
Concept: Climate of Brazil
Compare the climates of Brazil and India.
Concept: Climate of India
Concentrated settlements are found in Narmada Valley because of ______
Concept: Urbanisation in India
The economies of India and Brazil are of the ______ type.
Concept: Economic Activities in Brazil and India
Choose the correct option from the following statement:
Area wise, _________________is the largest state.
Concept: Identification of Physical Divisions
