निम्न आँकड़ों का माध्यिका से माध्य विचलन ज्ञात कीजिए -
150, 200, 100, 671, 600, 360, 490, 250, 500

Think how each of the list given above form an A.P. Discuss with your friends. (e) Total savings (in Rs.) after every month for 10 month when Rs. 50 are saved each month are 50, 100, 150, 200, 250, 300, 350, 400,450,500.

The number of saplings planted during Tree Plantation Mahotsava in 40 villages is given below : 100, 170, 365, 230, 162, 365, 252, 360, 215, 340, 350, 101, 315, 180, 130, 262, 359, 200, 170, 365, 250, 325, 295, 350, 155, 156, 103, 170, 300, 101, 106, 240, 270, 190, 320, 351, 160, 120, 201, 120. Prepare a grouped frequency distribution table taking classes 100-150, 150-200, ... , 300-350, 350-400. From the table, write the number of villages in which 250 or more saplings are planted.

Rs. 8000 is distributed among A, B and C such that they receive notes of Rs. 500, Rs. 200 and Rs. 100 respectively. The amounts received by them are in the ratio 15:2:3. What was the ratio of the numbers of notes of Rs. 500, Rs 200 and Rs 100 ? 8000 रुपये A, B और C के बीच इस प्रकार वितरित किये जाते हैं कि उन्हें क्रमशः 500, 200 और 100 रुपये के नोट प्राप्त होते हैं | उनके द्वारा प्राप्त की गयी राशि का अनुपात 15 : 2 : 3 है | 500, 200 तथा 100 रुपये के नोटों की संख्या का अनुपात ज्ञात करें |

For the following, using median, calculate mean deviation and coefficient of mean deviation. 100, 150, 200, 250, 360, 490, 500, 600, 671

38 people donated to an organisation working for differently abled persons. The amount in rupees were as follows:101 500 401 201 301 160 210 125 175 190 450 151 101 351 251 451 151 260 360 410 150 125 161 195 351 170 225 260 290 310 360 425 420 100 105 170 250 100 (i) By taking classes 100-149, 150-199, 200-249...prepare grouped frequency distribution table.

A, B and C started a business by investing ₹13,750, ₹16,250 and ₹18,750, respectively. If B’s share in the profit earned by them is ₹5,200, What is the total profit (in ₹ ) earned by them together? A, B और C ने क्रमशः ₹13,750, ₹16,250 और ₹18,750 निवेश करके एक व्यवसाय शुरू किया। यदि उनके द्वारा अर्जित लाभ में से B का हिस्सा ₹5,200 है, तो उनके द्वारा अर्जित कुल लाभ (रु में) ज्ञात करे |

Study the given histogram that shows the marks obtained by students in an examination and answer the question that follows: दिए गए हिस्टोग्राम का अध्ययन करें जो एक परीक्षा में छात्रों द्वारा प्राप्त किए गए अंकों को दिखाता है और निम्न प्रश्न का उत्तर दे| The number of students who obtained less than 250 marks is what percent more than the number of student who obtained 400 or more marks ?(correct to one decimal place) 250 से कम अंक प्राप्त करने वाले छात्रों की संख्या 490 या अधिक अंक प्राप्त करने वाले छात्र की संख्या से कितने प्रतिशत अधिक है? (एक दशमलव तक)

The following table gives the distribution of total household expenditure (in rupees) of manual workers in a city. Expenditure: (in Rs.) 100-150 150-200 200-250 250-300 300-350 350-400 400-450 450-500 Frequency: 24 40 33 28 30 22 16 7 Find the average expenditure (in Rs.) per household.