Questions

10 tolas of Tejabi gold bought from the American market at \$ 850 per tola is sold in Nepal at 20000 customs duty charge and 13% VAT.

1. Find the cost price of the gold with 20% customs duty charge.
2. Find the price of the gold in Nepal with 13% VAT.
3. If \$1=Rs 135 what will be the final price of the gold in Nepal?

Hurhure lives in the USA. He was traveling to Europe from the USA. He exchanged \$ 1000 with £ 910 in Europe. He spent £ 410 in Europe and came to visit Kathmandu. In Kathmandu, he further exchanged £ 500 into Nepali rupees so that he received Rs 72,500.

1. Find the exchange rate of US \$ and Euro.
2. Find the exchange rate of Euro and Nepali currency.
3. Find the exchange rate of \$ 1 and Nepali currency.
4. How much dollars can be exchanged for Euro 2730?

Fulmaya was traveling to London from the USA. She exchanged \$ 1000 with £ 810 at London. She spent £ 310 in London and came to visit Kathmandu. In Kathmandu, she further exchanged £ 500 into Nepali rupees so that she received Rs 80,000.

1. Find the exchange rate of US \$ and Pound Sterling.
2. Find the exchange rate of Pound Sterling and Nepali currency.
3. Find the exchange rate of \$ 1 and Nepali currency.
4. How much pounds can be exchanged for Rs 15040?

It is given that $1 is equal to Rs 132. To visit a foreign country Abdul has to exchange Rs 20000. If the bank charges its 2% commission.

1. How much dollars will he receive?
2. Find the commission amount.
3. How much Nepali money is required?

It is given that £ 1 is equal to Rs 157.46. Ram wants to exchange Rs 500000 Sterling and the bank charges its 2% commission.

1. How much Pound Sterling can be received?
2. Find the commission amount.
3. How much Nepali money is required?

Due to the use of medicines, the number of bacteria is decreasing at the rate of 20% per day so the number of bacteria after 3 days is $\rm 2.5 × 10^8$,

1. What was the number of bacteria before 3 days?
2. How many days ago, the number of bacteria was $\rm 3.1232 × 10^8$?
3. How many bacteria decreased on the first day? 

Due to the use of medicines, the number of bacteria is decreasing at the rate of 20% per day so the number of bacteria after 4 days is $\rm 1.6 x 10^{8}$.

1. What was the number of bacteria before 4 days? 
2. How many days ago, the number of bacteria was $\rm 2.49984×10^{8}$.
3. How many bacteria decreased on the first day?

The present price of a machine is Rs. 800000. If the price of the machine depreciates in the first year by 10% and then 20% and 5% respectively in continuous 3 years,

1. What will be the price of the machine after 3 years?
2. Find the depreciation amount of the machine.
3. Find the overall depreciation rate of the machine in 3 years.

The present price of a machine is Rs. 200000. If the price of the machine depreciates by 15% and then 10% and 5% respectively in continuous 3 years, 

1. What will be the price of the machine after 3 years? 
2. Find the depreciation amount of the machine.
3. Find the overall depreciation rate of the machine in 3 years.

In a community jungle, there are 80000 tall trees. In the blockade by India, the consumers cut down 2% of trees for an alternative use of cooking gas,

1. Find the number of trees in 2 years.
2. How many trees are cut down in 2 years?
3. If consumers cut down only 1% of trees then find the number of trees cut by consumers in 2 years.