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Last year the sales of Store X in December was 4 times the average of the monthly sales totals for January through November. The sales total for December was what fraction of the sale total for the year?

Correct Answer: 4/15
মডেম একটি ডেটা কমিউনিকেশন ডিভাইস যা ডেটাকে এক কম্পিউটার থেকে অন্য কম্পিউটারে মাধ্যমের সাহায্যে পৌঁছে দেয়। Modem এর পূর্ণ নাম হল Modulation demodulation .

A company incorporated on 1st April 2001 took over a running business from 1st January, 2001 and prpared its final accounts on 31st December, 2001. Its grows profit was Rs. 24,000 and sales were as under:
January - Twice the average sale
February - Equal to average sale
May to August - $${\frac{1}{4}^{{\text{th}}}}$$ of average sale, each month
October and November - 3 times the average sale each month
What is the Gross Profit prior to incorporation:

Raw material purchased:
1st January, 600 units @ Rs. 12 per unit
12th January, 500 units @ Rs. 14 per unit
21st January, 300 units @ Rs. 13 per unit
Raw material issued for manufacture:
3rd January 300 units
5th January 124 units
15th January 250 units
16th January 300 units
Raw material returned to stores from manufacturing department on 14th January, 50 units. The material is issued on First-in-First out method.
The value of material remaining in store on 21st January will be:

Simplify the value of $$\frac{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} \times {\text{0}}{\text{.3}} - {\text{3}} \times 0.9 \times {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}}}}{{{\text{0}}{\text{.9}} \times {\text{0}}{\text{.9 + 0}}{\text{.2}} \times {\text{0}}{\text{.2 + 0}}{\text{.3}} \times {\text{0}}{\text{.3}} - 0.9 \times {\text{0}}{\text{.2}} - {\text{0}}{\text{.2}} \times {\text{0}}{\text{.3}} - 0.3 \times 0.9}} = ?$$

A company was incorporated on 1st May, 1997 for acquiring a business from 1st January 1997. The sales for January, March and September is one and a half times, and the sale of December is twice and that of February is half of the average monthly sale of the year.
The ratio of sale for the period prior to incorporation and after the incorporation will be:

$$\frac{{38 \times 38 \times 38 + 34 \times 34 \times 34 + 28 \times 28 \times 28 - 38 \times 34 \times 84}}{{38 \times 38 + 34 \times 34 + 28 \times 28 - 38 \times 34 - 34 \times 28 - 38 \times 28}}$$            is equal to = ?

X' executed a sale deed in favour of 'Y' on 1st January, 2002. Subsequently on 10th January, 2002, 'X' executed a sale deed in respect of the same property in favour of 'Z'. Thereafter the sale deed in favour of 'Z' executed on 10th January, 2002 was registered on 20th January, 2002. Whereas the sale deed in favour of 'Y' was registered on 30th January, 2002.
In the said case, by virtue of section 47

The total number of cellular phones (both Nokia and Samsung) sold by store Q increased by 15% from October to November and the same of cellular phones sold by store T increased by 5% from October to November. What was the total number of cellular phones sold by store Q and T together in November?

A', on 9th January, 2015 agrees to sell his immovable property to 'R' and out of the total sale consideration of Rs. 3,00,000/- receives a sum of Rs. 1,00,000/- from 'B' as advance payment and agrees to vacate the property and handover vacant peaceful physical possession thereof to 'B' and to execute the Sale Deed of the property in favour of 'B' on receipt of balance sale 'consideration' on or before 9th July, 2015. 'A' fails to vacate the property or to execute the Sale Deed or to deliver possession of the property to 'B'. 'B' after waiting patiently till 31st January, 2016, on 1st February, 2016 got issued a legal notice to 'A' to take the balance sale consideration and execute the Sale Deed and deliver vacant peaceful physical possession. 'A' vide his reply received by 'B' on 17th February, 2016 denies the agreement. The limitation of three years available to 'B' for instituting a suit for specific performance is:

A store has five shelves and average weekly sale is Tk. 30000. Shelf 1 accounted for 1/4 of the store's average weekly sales and shelves 2 and 3 each accounted for 2/3 as much as shelf 1. The shelf 4 alone accounted for as much as shelf 1, then which of the following could have been the average weekly sales of shelf 5 for the store?

The average monthly income of P and Q is Tk.5050. The average monthly income of Q and R is Tk.6250 and the average monthly income of P and R is Tk.5200. Calculate the monthly income of P.