The following table gives the distribution of the life time of 400 neon lamps: Lite time: (in hours)                     Number of lamps 1500-2000                                    14 2000-2500                                    56 2500-3000                                    60 3000-3500                                    86 3500-4000                                    74 4000-4500                                    62 4500-5000                                    48 Find the median life.

The following table gives the distribution of the life time of 400 neon lamps Find the median life of a lamp.

The following table gives the life times of 400 neon lamps: How many lamps have a life time of more than 700 hours?

The following table gives the life xx of 400 neon lamps: (i) Represent the given information with the help of histogram.(ii) How many lamps have a life time of more than 700 hours?

The following table gives the life time of 400 neon lamps: Life time (in hours 300-400 400-500 500-600 600-700 700-800 800-900 900-1000 No. of lamps: 14 56 60 86 74 62 48 A bulb is selected at random. Find the probability that the life time of the selected bulb is : less than 400 between 300 to 800 hours at least 700 hours.

At present,a firm is manufacturing 2000 items.It is estimated that the rate of change of production P w.r.t.additional number of workers x is given by (dP)/(dx)=100-12sqrt(x.) If the firm employs 25 more workers,then the new level of production of items is (1)3000(2)3500(3)4500(4)2500

Enter the following in the books of Karan, Delhi to close his accounts on 31st March, 2019. Pass the closing entries. Opening Stock Rs. 20,000, Purchases Rs. 60,000, Wages Rs. 12,000, Salaries Rs. 16,000, Sales Rs. 88,000, Freight Inwards Rs. 4,000, Purchases Return Rs. 2,000, Sales Return Rs. 3,000, Carriage Outwards Rs. 2,500, Rent Rs. 3,000, Insurance Rs. 1,000, Discount Allowed Rs. 2,000, Discount Received Rs. 1,000, Repairs Rs. 1,000, Electricity Rs. 1,500, Commission Received Rs. 4,000, Interest on Investments Rs. 1,800, Interest (Dr.) 1,000, Closing Stock Rs. 40,000.

Journalise the following transaction in the Books of the M/s Bhanu Traders and Post them into the Ledger. 1. Started business with cash 92,000 2. Deposited into bank 60,000 4. Bought goods on credit from Himani 40,000 6. Purchased goods from cash 20,000 8. Returned goods to Himani 4,000 10. Sold goods for cash 20,000 14. Cheque given to Himani 36,000 17. Goods sold to M/s Goyal Traders. 3,50,000 19. Drew cash from bank for personal use 2,000 21. Goyal traders returned goods 3,500 22. Cash deposited into bank 20,000 26. Cheque received from Goyal Traders 31,500 28. Goods given as charity 2,000 29. Rent paid 3,000 30. Salary paid 7,000 31. Office machine purchased for cash 3,000

Bank Statement of a customer shows bank balance of Rs. 62,000 on 31st March, 2019. On comparing it with the Cash Book the following discreption were noted (i) Cheques were pain into the bank in March but were credited in Apirl: P-Rs. 3,500 ,Q -Rs. 2,500, R-Rs.2,000. (ii) Cheques issued in March were presented in April , X-Rs. 4,000, Q-Rs. 4,500 (iii) Cheque for Rs. 1,000 received fromf customer entered in the Cash Book but was not banked. (iv) Pass Book shows a debit of Rs. 1,000 for bank charges and credit of Rs. 2,000 as interest (v) Intreste on investment Rs. 2,500 collected by the bank appeared in the Pass Book. Prepare Bank Reconcilition Statement showing the balance as per Cash Book on 31st March, 2019.