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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

What price should a shopkeeper mark on an article which costs him Rs 880 so as to gain 25% after allowing a discount of 12% .

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?

Question (Also give the process to solve):Q. Maya has Rs. M with her and her friend Chanda has Rs. C with her. Maya spends 12 % of her money and Chand also spends the same amount as Maya did. What percentage of her money did chanda spend?

(a) $\frac{18M}{C}$

(b) $\frac{18C}{M}$

(c) $\frac{12M}{C}$

(d)

$\frac{12C}{M}$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%?

An item was marked as Rs.150 but is sold for Rs.100. what is the discount and discount percent ?

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

asha earns rs 48000 per month out of which she spends 33 1/3 % and saves the rest .find.

1. the ratio of money spent and saved.

2. amount of money spent.

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?

FIND THE MARKED PRICE WHEN

A. SELLING PRICE= RS 511.50,DISCOUNT =7% ans 550

B. SELLING PRICE= RS 540, DISCOUNT= 10% ans 600

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.

by selling 400 articles , a man lost SP of 30 articles . had he purchased them for Rs 537. 50 , what would have been the SP of 20 articles .

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

2 trains of length 125 m and 175 m are travelling in the same direction at the speed of 40 km/hr and 22 km/hr respectively.In what time will they pass one another?

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?

A man spends 20% of his salary on house rent. After spending 25% of the remainder he has Rs. 4800 left. What is his monthly salary?

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.

ABHINAV PURCHASED A TRACKSUIT FOR Rs 2400 CASH OR FOR Rs 1000 CASH DOWN PAYMENTS AND TWO MONTHLY INSTALLMENTS OF Rs 800 EACH . THE RATE OF INTEREST WILL BE ----?. PLEASE EXPLAIN

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

sundaram buys 40 kg of wheat at rs 6.25 per kg and 30 kg of wheat at rs 7 per kg . at what rate per kg should he sell the mixture to gain 5% on the whole ?

Q - An oranament weighs 12.5 grams . it has 2.5 grams of pure gold and the rest is an alloy .find the ratio of pure gold to the alloy .

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

After two successive decrease of 20%, the price of television is rs. 12800 .What is the original price ?

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 ______________.

a sum of 390200 is to be paid back in 3 equal annual installments how much is each installments if rate is 4% per annum compounded annually

Why cant we do this in this manner?Let the principal 390200 be divided into 3 sums say P, Q R such that P+Q+R = 390200

Let an instalment of Rs I be paid after 1 year to clear a principal of P therefore

P*104 / 100 = I

Let an instalment of Rs I be paid after 2 years to clear a principal of Q therefore

Q * 104 * 104 /10000 = I

Let an instalment of Rs I be paid after 3 years to clear a principal of R therefore

R* 104 *104 *104 / 1000000 = I

so I *100/104 = P

I * 10000 /10816 = Q

I * 1000000 /1124864 = R so {(100 /104) + (10000 /10816) + (1000000 /1124864)} I = P+Q+R = 390200.

{(1081600 + 1040000 + 1000000 ) / 1124864 } I = 390200

(3121600 /1124864 )I = 390200

I = 1124864/8 = 140608

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.

Q.1 ONE KG OF TEA AND ONE KG OF SUGAR TOGETHER COST RS 95.IF THE PRICE OF TEA FALLS BY 10% AND THAT OF SUGAR RISES BY 20%,THEN THE PRICE OF ONE KG OF EACH COMBINE COMES TO RS 90.FIND THE ORIGINAL PRICE OF TEA IN RS PER KG?{EXPERTS PLEASE SEND ME SOME LINK AS I HAVE A LITTLE CONFUSION IN SOLVING THE QUESTIONS WITH THE HELP OF VARIABLE}?

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?

If he mixes them together and sells the whole lot at 8 for a rupee. find his gain or loss percentage

. 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.

Amicrowave ovenwas available forafter successiveRs. 5301. Find thediscounts of 10% and 5%marked price.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.

Q - Mr Mehra spends 30% of his monthly income on food , 10% on charity , saves 25% and is left with Rs 15,750 . what is his monthly salary ? also find his monthly savings .

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 mixer has a marked price of

Rs. 2575. There aretwo optionsfor the customer:a.

SP is Rs. 2575along with an attractive gift worthRs. 300.(or)

b.

but no free gifts.Discount of 5%Which is

the better offer?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 sold a calculater to B 20% profit.B sold it to C at 5% profit. If C paid Rs 441 for it, what was the cost price of the calculator?

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.

Pradeep sold two pairs of shoes for Rs1000 each . On one he gains 10% and on other he loses 10% . Find the gain or loss per cent in the whole transaction

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

aman had to sell his t.v at a loss of 12 percent if the the s.p was rs 7040 what is the cp

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 dealer buys 50 chairs for Rs.50,000 but 20 of them are damaged. He decides to sell each damaged one one at 50% of the price of the normal one . What should this price be in order that he may make a profit of 25% on the whole transaction?

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 ?????

Q- A sum of money was borrowed at 6% per annum simple interest. At the end of first year Rupees 6880 was paid off and the rate of interest on the balance was reduced to 5% per annum. If the interest for the second year was 11/20 of the interest for the first year what was the original sum borrowed?

(a) Rupees 10000

(b) Rupees 12000

(c) Rupees 17000

(d) Rupees 15000

Q- A sum of money at simple interest amounts to Rupees 9440 in 3 years. If the rate of interest is increased by 25% by the same sum amounts to Rupees 9800 in the same time. The original rate of interest is

(a) 10% p.a.

(b) 8% p.a.

(c) 7.5% p.a.

(d) 6% p.a.

Q- Ramesh borrowed Rupees 7000 from a bank on simple interest. He returned Rupees 3000 to the bank at the end of 3 years and Rupees 5450 at the end of 5 years and closed the account. Find the rate of interest p.a.

(a) 4%

(b) 5%

(c) 6%

(d) 8%

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?

30% passengers from a train got down at a station A.50% of the remaining passengers got down at station B.If there were still 350 passangers in the train, how many were there in the train before station a?

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

a school hostel has enough food for 800 students for 80 days. after 5 days 50 students left the hostel. how much longer the food will last?

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.

An alloy contains 20% of copper , 35%of zinc and rest as nickle .In 1.5kg alloy , what is the quantity of nickle ?

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