निम्न श्रेणी का माधयक मूल्य है -
520, 20,340,190,35,800,1210,50,80

Caculate the median and mode from the following data : {:("Marks",0-10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Number of Students"," "2," "18," "30," "45," "35," "20," "6," "3):}

Find the first decile for the following data: {:("Size", 0.10,10-20,20-30,30-40,40-50,50-60,60-70,70-80),("Frequency "," "2," "18," "30, " "45, " "35, " "20, " "6, " "3):}

Calculate median of the following series : {:("Wage Rate (Rs.) (less than)",10,20,30,40,50,60,70,80),("Number of Waorkers",15,35,60,84,96,127,198,250):}

The cost of 6 pencils is Rs. 30 and 12 pens is Rs. 120. Find the average cost of 50 pencils and 50 pens. 6 पेंसिल का मूल्य रु 30 और 12 कलमों का मूल्य रु120 है | 50 पेंसिल और 50 कलमों का औसत मूल्य कितना है ?

Draw a histogram of the following data: Class interval: 10-15, 15-20, 20-25, 25-30, 30-35, 35-40, Frequency: 30, 98, 80, 58, 29, 50,

The printed price of a cooker is Rs2,000, and discounts are 30%, 20% and 10%, respectively. Find the selling price of the cooker. एक कुकर का अंकित मूल्य 2000 रुपये है तथा छूट क्रमशः 30%, 20% और 10% है। कुकर का विक्रय मूल्य ज्ञात कीजिए।

If two successive discount, each of 20% on the marked price of an article, are equal to a single discount of Rs. 331.20, then the marked price(in Rs.) of the article is: यदि एक वस्तु के अंकित मूल्य पर दो क्रमिक छूट, प्रत्येक 20% की, 331.20 रुपये की एकल छूट के बराबर है, तो वस्तु का अंकित मूल्य (रुपये में) क्या है?

The marked price of an article is 7/5 of its cost price. If a discount of 20% is given on the marked price, then find the profit percentage. एक वस्तु का अंकित मूल्य उसके क्रय मूल्य का 7/5 है | यदि अंकित मूल्य पर 20% की छूट दी जाती है , तो लाभ प्रतिशत कितना है ?