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what is the formula for finding cost price?1) The price of sugar increases by 25%. By what % must a house-wife reduce her consumption so that the expenditure does not increase.

2) In an examination, 95% of candidates passed and 25 failed. How many candidates appeared for the examination?

Find the ratio of:

(a) Rs 5 to 50 paise (b) 15 kg to 210 g

(c) 9 m to 27 cm (d) 30 days to 36 hours

What amount is 10% more than Rs 90 ?

At what rate percent per annum will a sum of money double in 8 years ?

Can you eat 100%of the cake?

Can you eat 150 % of the cake?

Find the whole quantity if

(a) 5% of it is 600 (b) 12% of it is 1080

(c) 40% of it is 500 km (d) 70% of it is 14 minutes

(e) 8% of it is 40 litres

Convert each part of the ratio to percentage:

(a) 3:1 (b) 2:3:5 (c) 1:4 (d) 1:2:5

An ore contains 12% copper.how many kilograms of the ore are required to get 69 kg of copper?

rashmi buys a calculator for rs. 720 andsell it at a loss of 6 2/3%.for how much does she sell it ?

1200 soldiers in a fort had enough food for 28 days.After 4 days some soldiers were transferred to another fort and thus the food lasted for an extra 32 days .How many soldiers left the fort?

a) abc=1. b)c2=ab. c) b2=ac. d) a2=bc

The perimeter of a circle is equal to that of a square. Their areas are in the ratio of ____.

AT WHAT RATE OF SIMPLE INTEREST WILL RS 350 AMOUNT TO RS 455 IN 6 YEARS

A vendor purchased 40 dozens bananas for Rs250. Out of these 30 bananas were rotten and could not be sold. At what rate per dozen should he sell the remaining bananas to make a profit of 20%.

Juhi sells a washing machine for Rs 13, 500. She loses 20% in the bargain. What was the price at which she bought it?Can you please explain it in a simple manner.

a:b=2:3

b:c=4:5

then a:c=

A number exceeds 20% of itself by 40.What is the number?

The price of sugar has risen by 20 per cent. By how much per cent must a housewife reduce her consumption of sugar, so as not to increase her expenditure on it ?

70% of the students in a school are boys and the number of girls is 504. Find the number of boys in the school

find :12 1/2 % of 64

Two numbers are 20% and 25% less than a third number respectively. how much % is the second number less than the first number ?

A bicycle dealer allows 10% discount and still makes profit of 20% on his bicycle.if the total profit he makes is Rs 150,find the list price of the bicycle

Q: a man sold two radios at Rs.4800 each. On one he gains 20% and on the other he loses 20%. Find the gain or loss percent in the whole transaction. ( frm r.s aggarwal example 11) plz answer it fast

In how much time would the simple interes on a certain sum be 0.125 times the principal at 10% per annum?

In an examination, 96% of the candidates passed and 50 failed. How many candidates appeared?

A borrows RS8000 at 12% per annum simple intrest and B borrows RS 9100 at 10% per annum simple intrest.In how many years will their amount be equal

My mother says, in her childhood petrol was Re 1 a litre. It is Rs 52 per litre today. By what Percentage has the price gone up?

In an election between two candidates, the candidates who gets 30% of the votes polled is defeated by 15000 votes. What is the number of votes polled by the winning canndidate?

What rate gives Rs 280 as interest on a sum of Rs 56000 in 2 years ?

IN AN EXAMINATION 40%OF THE STUDENTS FAILED IN MATHS,30% FAILED IN ENGLISH AND 10% FAILED IN BOTH . FIND THE PERCENTAGE OF STUDENTS WHO PASSED IN BOTH THE SUBJECTS ---------------------

Rs 10,000 is invested at 5% interest rate p.a. Find the interest at the end of one year.

on selling a mobile for rupees 750 a shopkeeper looses 10%.for what amount should he sell it to gain 5%

selling price of a toy car is Rs540.If the profit made by shopkeeper is 20%,what is the CP of the toy.

Ans int the textbook: CP+20/100 XCP = {

+1/5} CP. =6/5CP. 540 x 5/6 CP. 0r 450Rs.1This eg is done in the textbook.page169.Iam not getting how they got this 1.

If a certain principal amounts to Rs 44000 at 5 percent p.a. over 2 years, how much will it amount to in 3 years at the same rate ?

Shikha deposited Rs 2000 in a bank which pays 6% simple intrest.She withdrew Rs 700 at the end of first year .What will be her balance after 3 years?

what percent of 1 day is 36 minutes?

in a city,30% are females,40%are males and remaining are children. what percent are children

A number increased by 20% gives 42. What is the number?

Q.9. Rate of basmati rice last year was Rs. 40 a kg. This year they are costly by 20%. What is the price this year?

1. what principal will amount to Rs 900 in 6 years at 10% simple interest?

Sameer bought 1600 bananas at Rs 3.75 a dozen. He sold 900 of them at 2 for Rs1 and remaining at 5 for Rs2 . Find the Gain or Loss percent.Find the C.P and S.P and compare.

Find the C.P and S.P and compare.

Divide Rs 536 between A,B and C in the ratio 1/5 : 2/3 :1/4.Meeta saves Rs 400 from her salary. If this is 10% of her salary. What is her salary?

FIND THE WHOLE quontity if%5% of it is 6005% of it is 600In which type of questions unitary method can help?

Dear Sir,

Pls help me solve his simple interest problem.

Divide 3600 into two parts such that if one part be lend at 9% per annum and other part at 10% per annum the total annual income is Rs.333/-

Apprecaite your response.

A man sells an article at a gain of 5%. If he had sold it at Rs. 63 less, he would have lost 2%.Find the cost of the article.

by selling a jug for rs. 144 , a men loses 1/7 of his outlay . if it is sold for 189, what is the gain percent.

Q1 In how many years will RS 7320 amount to RS 13,176 at the rate of 8% p.a.

Q2 What sum of money will yield an interest of RS 4137 in 6 years at the rate of 7% p.a.

what is 1% of 1 hour ?

11 oranges are bought for Rs. 10 and 10 oranges are sold for Rs. 11. The gain (or) loss percent is

Fabina borrows Rs 12,500 at 12% per annum for 3 years at simple interest and Radha borrows the same amount for the same time period at 10% per annum, compounded annually. Who pays more interest and by how much?

90% ofall students passeed in Hindi, 85% in Maths and 150 students passed in both. Find the total number of students in the school.

The sides of a rectangular piece of paper are in the ratio 2 : 3 .If the area is 150 sq.cm , what are the sides ?

draw a rough sketch of two triangles such that they have five pairs of congruent parts but still the triangles are not congruent?

in the ratio 7/8 , if the consequent is 40, what is the antecedent?

HeightNumber of childrenIn FractionIn PercentageTotal100extra questions for comparing quantities