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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 ?

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)

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

find the value of A.

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

A toy marked at Rs 750 is offered at Rs 570 .Compute the rate of discount ?

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.

Find the amount to be paid at the end of six months on Rs 625 at 8 % per annum compounded quarterly.

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

A milkman bought 120 litres of milk at rs.16 per litre .At what price should he sell the milk to make a gain of rs.180?

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.

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% .

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

The cost of a shirt including 12% VAT is Rs 896. Find the cost of the shirt without including VAT.Solution:Let

xbe the cost of the shirt without including VAT.We know that,

Cost of shirt including VAT = Selling price + VAT

Rs 896 =

x+ 12% ofxRs 896 =

Rs 896 =

Thus, the selling price of the shirt without including VAT is Rs 800.

this is given in maths comparing quantities but i dint get how

cause 896*100/112 = 200

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.

Q). Approximately what is the length of the rope for the sail of the kite, in order to pull the ship at an angle of 45$\xb0$ and be at a vertical height of 150 m, as shown in the diagram ?

A. 173 m

B. 212 m

C. 285 m

D. 300 m

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.

the compound interest calculated yearly on a certain sum of money for the second year is Rs. 880 and for the third year is Rs.968 calculate the rate of interest and the actual money

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

Mahima bought 6 dozen eggs for Rs150.On the way to the market 12 eggs broke.A what price per dozen should she sell the eggs to get an overall profit of 10%?

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

^{2}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 ______________.

find the discount and discount percentage.

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.

The strength of students in a school when increased by 8% becomes 2160. Find out the original strength in the school.

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.

Manufacturer A sells a washing machine to a trader B for Rs 12,500. Trader B sells it to a trader C at a profit of Rs 800 and trader C sells it to a customer at a profit of Rs 1,300. If the rate of VAT is 8% , find:

i) the amount of VAT received by the state govt on the sale of this machine,

ii) the amount that the consumer pays for the machine.

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

Q. What is the present worth of Rs.169 due in 2 years at 4% per annum compound interest ?

. 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.

Due to some mishap Ahmed lost 12.5% of his total earnings. He spent 70% of the remaining amount and is left with Rs.2100 in his pocket. Find his total earnings.

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

By selling 33 notebooks, a shopkeeper gains the S.P. of 11 notebooks. Find the gain percent

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

The ratio of Neha's age to that of Jane is 4:7 and the ratio of Jane's age to that of Smita is 4:3. If Smita is 21 years old, how old is Neha?

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 ?

If A's age is 30% of B and B's age is 40% of C, then what per cent of C's age is A's age?

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

azad bought toys worth Rs 75,000 for his toy shop.he spent some money for transportation,rent for his shop and the salary for the salesman.If he made a profit of 10% on his real expenses (cost+overhead expenses) which was Rs 9,000 ,calculate his overhead expenses?

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 ?????

The value of a machine depreciates 10% annually . What will be its value after 2 years if its present value is Rs 200000

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.....

After spending Rs. 75000 for remodelling a house, sania sold a house at a profit of 20%. If the selling price was Rs. 36,00,000 , how much did she spend to buy the house.

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.

shyam purchased a washing machine for rs. 6600 including 10% VAT. find the price of machine before VAT was added

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.

how to find principal amount which earns Rs 132 as the compound intrest for the second year at 10% per annum

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

the price of a computer is rs. 32,000. the sales tax chargedon it is at the rate of 8%.find the amount that amit will have to oay if he buys it..