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Syllabus

A boat which has a speed of 5 km/hr in still water crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water in km/hr is ?

what is the formula of simple interest and compound interest

PROVIDE ME SOLUTION OF R S AGARWAL

A's income is 20 % less than that of B's. How much per cent is B's income more than A's ? Solve it by two methods. First by 100. Second by taking "x"?

The salary of an officer is increased by 25%. By what percent should the new salary be decreased to restore the original salary?

How much percent above the cost price should a shopkeeper mark his goods so that after allowing a discount of 20% on the marked price, he gains 12%?

a number is increased by 10% and then decreased by10% . find the increase or decrease percent.

i want to solution of 8th class maths book -lets grow comp. maths-8 -arya book depot

what is the answerof the TRY THESE (down) on pg.123 of the lesson Comparing Quantities? i need a quick reply plz

a man bought bananas at the rate of rs.20 per dozen and sold them at th rate of 10 for rs 25. find his gain or loss per cent.

abhay borrowed Rs 16000 at 15/2 % per annum simple interest. On the same day , he lent it to Gurmeet at the same rate but compounded annually. What does he gain at the end of 2 years?

th difference between the compound interest and simple interest on a certain sum for 2years at 6per cent per annum is rs 90 find the sum

a dealer gets Rs 470 more if instead of selling a table at a loss of 10% , it is sold at a gain of 10%. Find the cost price of the table.

A grocer purchased 200kg of rice at Rs.25 per kg. He sold 80 kg of it at a gain of 10% and 40 kg at a loss of 4%. At what rate per kg should he sell the remainder to gain 8% on his total investment?

By selling 125 cassettes a man gains an amount equal to the selling price of 5 cassettes. Find he gain percent

gunpowder contains 75% niter and 10% sulphur. Find the amount of gunpowder which carries 9 kg nitre. what amount of gunpowder would contain 2.5 kg sulphur?

The value of a machine depreciates at the rate of 10% per annum . It was purchased 3 years ago . If its present value is Rs.291600, for how much was it purchased? please give answer fast.

laxmi sold 2 sarees for 2185 each on one she lost 5% while on other she gained 15% find gain or loss percent in the whole transaction

By selling 144 hens, Mala lost the S. P. of 6 hens. Find her loss%.

The C.I. on a certain sum for 2 years is Rs.410 and S.I. is Rs.400. The rate of interest per annum is ______________.

Kamala borrowed Rs 26400 from a Bank to buy a scooter at a rate of 15% p.a. compounded yearly. What amount will she pay at the end of 2 years and 4 months to clear the loan?

(Hint: Find A for 2 years with interest is compounded yearly and then find SI on the 2

^{nd}year amount for years.)An almirah is sold at Rs5225 after allowing a discount of 5%. Find its marked price. Please explain with unitary method and also with other method of calculating discount amount.

Maria invested Rs 8,000 in a business. She would be paid interest at 5% per annum compounded annually. Find.

(i) The amount credited against her name at the end of the second year

(ii) The interest for the 3

^{rd}year.In a factory the production of scooters rose to 48400 from 40000 in 2 years. Find the rate of growth per annum.

The cost price of 12 candles is equal to the selling price of 15 candles. Find the loss percent.

If Chameli had Rs 600 left after spending 75% of her money, how much did she have in the beginning?

. By reducing the selling price of an article by Rs. 50, a gain of 5% turns into a loss of 5%. Find the original selling price of the article.

Please explain these few questions properly, step by step.

1)55% of students in a school are boys and the number of girls are 810. Find the total number of students and the number of girls.

2)Find a number which:

i) When increased by 10% becomes 77.

ii) When increased by 8% becomes 115.

3)Aditya's income is 20% less than that of Arnav. How much percent is Arnav's income more than Aditya's income?

4)The price of sugar increases by 20%. By what percentage should a housewife reduce consumption so that her expenditure does not increase?

5)At what rate percent will a sum of money double itself in 8 years?

Please explain properly! Thankyou.

Some toffees are bought at the rate of 11 for Rs 10 &the same number at the rate of 9 for Rs 10. If the whole lot is sold at one rupee per toffee. find the gain or loss in the whole transaction.

a jeweller allows a discount of 16% to his customers & still gains 20% . find the MP of a ring which cost him RS1190.

Arif took a loan of Rs 80,000 from a bank. If the rate of interest is 10% per annum, find the difference in amounts he would be paying after years if the interest is

(i) Compounded annually

(ii) Compounded half yearly

A shopkeeper bought two TV sets at Rs. 10000 each. He sold one at a profit of 10% and the other at a loss of 10 %. Find whether he made an overall profit or loss ?

A dealer bought a refrigerator for Rs.11515, after allowing a discount for 16% on its marked price, he gains 20%, find the marked price of the refrigerator.

If the cost of 10 chairs is equal to the selling price of 16 chairs, find the gain or loss percent.

A Bicycle Can Be Purchased On A Cash Payment Of Rs 1500. The Same Bicycle Can Also Be Purchased At The Down Payment(initial payment at the time of purchasing) Of Rs 350 And Rest Can Be Paid In 3 Equal Installments Of Rs 400 For Next 3 Months.Find The Rate Of SI Charged By The Dealer

A wholesaler allows a discount of 20% on the list price of an article to a retailer.The retailer sells it at 5% discount on the list price . If the customer pays Rs 38 for the article, what is the retailer"s profit

(please give the answer this question with solution) Chapter name is DISCOUNT

Dinesh sold his motorcycle to Naveen at a loss of 28% Naveen spent Rs1680 on its repairs and sold it to Saran for Rs35,910 making a profit of 12.5% Find the cost of the motorcycle for Dinesh

by what percent is rs.2000 less than rs.2400 ?is this same as the percent by which rs. 2400 is more than rs.2000 ?????

Find the rate percent per annum, if Rs.2000 amount to Rs.2315.25 in an year and a half, interest being compounded 6 monthly

the difference in simple interest and compound interest on a certain sum of money at 6 2/3 per anum for 3 years is rs 46. determine the sum?

Ramesh bought two boxes for Rs 1300.He sold one box at a profit of 20% and the other box at a loss of 12%.If the s.p.of both boxes in the same ,find the c.p. of each box.....ans ts.....

Find the amount and the compound interest on Rs 10,000 for years at 10% per annum, compounded half yearly. Would this interest be more than the interest he would get if it was compounded annually?

At what rate percentage per annum will a sum of rupees 4000 yeild compound interest of rupees 410 in 2 years.

a dealer gets Rs.56 less if instead of selling a chair at a gain of 15%, it is sold at a gain of 8%. what is the CP of the chair?

In what time will Rs 1000 amount to Rs 1331 at 10% p.a compound interest ?

Shanti has enough money to buy 90 pumps worth Rs 500 each. How many pumps can he buy, if he gets a discount of Rs 50 on each pump.

Out of her total income Mrs Sharma spends 20% on house rent and 70% of the rest on household expenditure. If she saves rs 1800, what is the total income?

The difference in prices when a commodity is sold at a profit of 4% and at a profit of 6% is Rs3 Find the selling prices off the commodity in the two cases