# Collection and Organisation of Data

## Trending Questions

**Q.**

Advantage and disadvantage of statistics

**Q.**

If 132300=22×33×52×ab, then which of the following is true ?

a=2b

a+b=8

LCM of a and b is 14.

a=b

**Q.**

Collection of data is called __________

**Q.**

$9,3,18,6,36,12.....$Missing letter in this series.

**Q.**

An alloy contains copper and zinc in the ratio 7:3 . If it contains 12.6 g of copper , how much does this alloy weigh ?

**Q.**

What is the probability of getting a head on tossing an unbiased coin?

12

14

1

13

**Q.**

What do you mean by nesting of list?

**Q.**

Facts or figures collected for a definite purpose are called _______.

- Data
- Statistics
- Noteified Information
- None of these

**Q.**Draw the double bar graph for the following data.

Sports played by number of students of ABC school in 2018 and 2019.

Sports | No. of students (2018) | No. of students (2019) |

Cricket | 10 | 5 |

Tennis | 5 | 10 |

Chess | 15 | 20 |

Football | 10 | 15 |

**Q.**

Which Of The Following Is Not In Place Sorting Algorithm By Default?

Heap Sort

Quick Sort.

Merge Sort

Insertion Sort

**Q.**Which of the following is not a triangular number?

- 0
- 1
- 2
- 3

**Q.**

A collection of facts, such as values or measurements is known as

None of the above

Data

Information

Table

**Q.**

Look at the patterns made by the matchsticks . Complete the tables and find a general formula.

Number of triangles (x) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |

Number of matchsticks (y) | 3 | 6 |

**Q.**

Data can be _____.

All of these

Facts

Figures

Numericals

**Q.**Find the sum of the elements of 5th row of a pascal's triangle.

- 15
- 16
- 20
- 21

**Q.**Which of the following is a triangular number?

- 25
- 30
- 15
- 20

**Q.**

You ask $50$ randomly chosen artists in your town about their favorite art form. Determine whether your conclusion is valid. Justify your answer.

**Q.**Find the sum of elements of the 3rd row of a pascal's triangle.

- 1
- 2
- 3
- 4

**Q.**What do you notice about the horizontal sums in Pascal’s triangle?

**Q.**Sort the following stages of statistical study in ascending order.

- Analysis
- Collection
- Presentation
- Organisation
- Interpretation

**Q.**Generalising the given pattern using match sticks as an algebraic expression, nth term denoting the number of match sticks will be

- 3n+3
- 3n-3
- 4n+4
- 4n-4

**Q.**

Given bar graph shows the runs scored by 6 teammates.

- Shubh
- Surya
- Shruthi
- Vipul

**Q.**According to the given table, find the relation between x and y.

x1234y2468

- y=2x
- y=2x−1
- y=x2
- y=x2+x

**Q.**

To analyze the performance of Indian cricket team, the appropriate data collection is

Finding runs scored by top five batsmen and bowling performance of main 5 bowlers of the team in all International matches

Finding runs scored by each player in all International matches in a year

Finding bowling performance of all bowlers in all International matches in a year

Finding runs scored and bowling performance of each player in all International matches

**Q.**The sum of elements in the seventh row of Pascal’s Triangle is……?

- 64
- 128
- 14
- 32

**Q.**In the table below, the number of thieves caught by two police officers, Raju and Saju during a week is given. Whose daily average of catching the thieves is more and how much more?

MONDAYTUESDAYWEDNESDAYTHURSDAYFRIDAYSATURDAYSUNDAYRaju2541324Saju3422120

- Raju, 1
- Saju, 3
- Saju, 1
- Raju, 3

**Q.**Which of the following is not a triangular number?

- 5
- 10
- 15
- 21

**Q.**The odd positive integers are arranged in a triangle as follows:

1

3 5

7 9 11

13 15 17 19

21 23 25 27 29

... ... ... ... ... ...

... ... ... ... ... ...

Find the sum of the numbers in the 10th row of this arrangement:

- 1000

**Q.**

**Get the algebraic expression in the following case using variables, constants, and arithmetic operations:**

Product of numbers y and z subtracted from 10.

**Q.**Match the following values of y when x = 2 and x = 3 respectively and the relation between x and y.

- y=x2
- y=2x
- y=3x
- y=3x−2