Please select a subject first
Advertisements
Advertisements
Find the correct answer from the alternatives given.
|
No. of trees planted by each student |
1 - 3 | 4 - 6 | 7 - 9 | 10 - 12 |
| No. of students | 7 | 8 | 6 | 4 |
The above data is to be shown by a frequency polygon. The coordinates of the points to show number of students in the class 4-6 are . . . .
Concept: undefined >> undefined
The age groups and the number of persons in the age groups, who donated blood in blood donation camp is given below. Find the measures of central angles to show the information by a pie diagram.
| Age group (Years) | 20-25 | 25-30 | 30-35 | 35-40 |
| No of persons | 80 | 60 | 35 | 25 |
Concept: undefined >> undefined
Advertisements
The following table shows the investment made by some families. Show
the information by a histogran.
| Investment (Thousand Rupees) |
10-15 | 15-20 | 20-25 | 25-30 | 30-35 |
| No. of families | 30 | 50 | 60 | 55 | 15 |
Concept: undefined >> undefined
The following table is based on the marks of the first term examination of 10th class students. Show the information by a histogram. Also, draw a frequency polygon with the help of the histogram.
| Class-mark of marks | 325 | 375 | 425 | 475 | 525 | 575 |
| No. of students | 25 | 35 | 45 | 40 | 32 | 20 |
Concept: undefined >> undefined
Sangeeta’s monthly income is Rs. 25,000. She spent 90% of her income and donated 3% for socially useful causes. How much money did she save ?
Concept: undefined >> undefined
The following frequency distribution table shows marks obtained by 180 students in Mathematics examination.
| Marks | No. of students |
| 0 - 10 | 25 |
| 10 - 20 | x |
| 20 - 30 | 30 |
| 30 - 40 | 2x |
| 40 - 50 | 65 |
Find the value of x. Also draw a histogram representing the above information.
Concept: undefined >> undefined
Draw a histogram for the following frequency distribution.
|
Use of electricity (Unit)
|
50 - 70 | 70 - 90 | 90 - 110 | 110 - 130 | 130 - 150 | 150 - 170 |
| No. of families | 150 | 400 | 460 | 540 | 600 | 350 |
Concept: undefined >> undefined
Represent the following data by histogram:
| Price of sugar Per kg (in Rs) | Number of weeks |
| 28-30 | 4 |
| 30-32 | 8 |
| 32-34 | 22 |
| 34-36 | 12 |
| 36-38 | 6 |
Concept: undefined >> undefined
Draw histogram and hence the frequency polygon for the following frequency distribution:
| Rainfall (in cm) | No. of years |
| 20-25 | 2 |
| 25-30 | 5 |
| 30-35 | 8 |
| 35-40 | 12 |
| 40-45 | 10 |
| 45-50 | 7 |
Concept: undefined >> undefined
Draw the Histogram and hence, the frequency polygon for the following frequency distribution:
| House Rent (In ₹ per month) | 400-600 | 600-800 | 800-1000 | 1000-1200 |
| Number of families | 200 | 240 | 300 | 50 |
Concept: undefined >> undefined
The marks scored by students in Mathematics in a certain examination are given below :
| Marks Scored | Number of Students |
| 0 - 20 | 6 |
| 20 - 40 | 9 |
| 40 - 60 | 14 |
| 60 - 80 | 16 |
| 80 - 100 | 5 |
Draw histogram for the above data.
Concept: undefined >> undefined
Shri Shantilal has purchased 150 shares of FV ₹ 100, for MV of ₹ 120, Company has paid dividend at 7%, then to find the rate of return on his investment, complete the following activity:
Solution: FV = ₹ 100; Number of shares = 150
Market value = ₹ 120
1. Sum investment = MV × No. of Shares
= `square xx square`
∴ Sum investment = ₹ 18,000
2. Dividend per share = FV × Rate of dividend
= `square xx square/100`
= ₹ 7
∴ Total dividend received = 150 × 7
= `square`
3. Rate of return = `"Dividend income"/"Sum inve ted" xx 100`
= `1050/18000 xx 100`
= `square`
Concept: undefined >> undefined
Represent the following data by histogram:
| Price of Sugar (per kg in ₹) | Number of Weeks |
| 18 – 20 | 4 |
| 20 – 22 | 8 |
| 22 – 24 | 22 |
| 24 – 26 | 12 |
| 26 – 28 | 6 |
| 28 – 30 | 8 |
Concept: undefined >> undefined
If FV = ₹ 460 and premium = ₹ 165, then what is the value of MV?
Concept: undefined >> undefined
Show the following data by a frequency polygon:
| Electricity bill (₹) | Families |
| 200 – 400 | 240 |
| 400 – 600 | 300 |
| 600 – 800 | 450 |
| 800 – 1000 | 350 |
| 1000 – 1200 | 160 |
Concept: undefined >> undefined
The following table shows the classification of percentage of marks of students and the number of students. Draw frequency polygon from the table without drawing histogram:
| Result (Percentage) | Number of Students |
| 20 - 40 | 25 |
| 40 - 60 | 65 |
| 60 - 80 | 80 |
| 80 - 100 | 15 |
Concept: undefined >> undefined
A share is sold for the market value of Rs 1000. Brokerage is paid at the rate of 0.1%. What is the amount received after the sale?
Concept: undefined >> undefined
Fill in the blanks given in the contract note of sale-purchase of shares.
(B - buy S - sell)
|
No. of
shares
|
MV of
shares
|
Total
value
|
Brokerage
0.2%
|
9% CGST
on
brokerage
|
9% SGST
on
brokerage
|
Total
value of
shares
|
| 100 B | Rs 45 | |||||
| 75 S | Rs 200 |
Concept: undefined >> undefined
Smt. Desai sold shares of face value Rs 100 when the market value was Rs 50 and received Rs 4988.20. She paid brokerage 0.2% and GST on brokerage 18%, then how many shares did she sell ?
Concept: undefined >> undefined
Mr. D'souza purchased 200 shares of FV ₹ 50 at a premium of ₹ 100. He received 50% dividend on the shares. After receiving the dividend he sold 100 shares at a discount of ₹ 10 and remaining shares were sold at a premium of ₹ 75. For each trade he paid the brokerage of ₹ 20. Find whether Mr. D'souza gained or incurred a loss? by how much?
Concept: undefined >> undefined
