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Syllabus

THE SUM OF THREE CONSECUTIVE MULTIPLES OF 8 IS 888.FIND THE MULTIPLES?the highest power of variable in linear equation is __________

a steamer goes downstream from one point to another in 9 hours.it covers the same distance upstream in 10 hours.if the speed of the stream be 1km/hr,find the speed of the steamer in still water and the distance between the two ports?

I don't understand this question

Please expert answer me

Of these two questions

In one thread

The ages of Hari and Harry are in the ratio 5:7. Four years from now the ratio of their ages will be 3:4. Find their present ages.

if 3/5 of a number exceeds its 2/7 by 44 , find the number.

what should be added to thrice the rational number -7/4 to get 3/7.

In a fraction, twice the numerator is 2 more than the denominator. If 3 is added to the numerator and to the denominator, the new fraction is 2/3. Find the original fraction.

And please solve it only by using one variable.

6x+7/3x+2=4x+5/2x+3

Hasan buys two kinds of cloth materials for school uniforms, shirt material that costs him Rs 50 per metre and trouser material that costs him Rs 90 per metre. For every 2 meters of the trouser material he buys 3 metres of the shirt material. He sells the materials at 12% and 10% profit respectively. His total sale is Rs 36660. How much trouser material did he buy?

A sum of Rs. 800 is in the form of denominations of Rs. 10 and Rs. 20.If the total number of notes be 50, find the number of notes of each type.

how do you do this question ????

a number consists of 2 digits whose sum is 9.if 27 is subtracted from the number its digits are reversed .find the original number

a.15

b.12

c.16

d.14

pls can the experts help me out in framing the equation. .

as soon as possible

Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.

the number of boys and girls in a class are in the ratio of 7:5 .The number of boys is 8 more than the number of girls .What is the total class strength?

(please reply fast)

3x-10 = 5(x-10)

TWO NUMBERS ARE IN RATIO 5:3.IF THEY DIFFER BY 18,WHAT ARE THE NUMBERS

rnThe base of an isosceles triangle is 4/3 cm. The perimeter of triangle is 4 2/15cm. what is the length of either of the remaining equal sides?

The organisers of an essay competition decide that a winner in the competiton gets a prize of rs 100 and a participant who does not win gets gets aprize of rs 25.The total prize money distributed is Rs 3000. Find the number of winners, if the total number of participants is 63.

a cube is painted red on two adjacent surfaces and black on the surfaces opposite to red surfaces and green on the remaining faces. now the cube is cut into 64 smaller cubes of equal size.

a) how many smaller cubes have only one surface painted?

b) how many smaller cubes will have no surface painted?

The ages of Rahul and Haroon are in the ratio 5:7. Four years later the sum of their ages will be 56 years. What are their present ages?

How can I solve the equation (2x - 1) / (x + 4) - (2x - 5) / (x + 3) = 0

An altitude of the triangle is five third the lenght of its corresponding base. If the altitude is increased by 4cm and base be decreased by 2cm, the area of the triangle remains the same. Find the base and altitude of the triangle

the length of a rectangle exceeds its breadth by 9 cm. if the length and breadth are each increased by 3cm the area of the new rectangle will be 84 cm

^{2}more than that of the given rectangle . calculate the length and breadth of the given rectangleHalf of a herd of deer are grazing in the field and three - fourths of the remaining are playing nearby. The rest 9 are drinking water from the pond. Find the number of deer in the herd.

THE SUM OF THREE CONSECUTIVE MULTIPLES OF 11 IS 363 . FIND THESEMULTIPLES

construct the parallelogram PQRS with PQ=4.5cm,QR=3cm,and angle PQR=60 degrees?

SUM OF THE DIGITS OF A TWO DIGIT NUMBER IS 9.WHEN WE INTERCHANGE THE DIGITS , IT IS FOUND THAT THE RESULTING NEW NUMBER IS GREATER THAN THE ORIGINAL NUMBER BY 27. WHAT IS THE TWO DIGIT NUMBER?

PLZ SOLVE!!!!!!!!!!!!

solved word problems on linear equation

Mr.Kapur withdrew rs.25000 from an ATM.If he received 150 notes in denominations of rs.500 and rs.100,find the no. of notes of each denomination?

although i know how to do it, but it is a 2 variable method...can u suggest a 1 variable method?

ans-25,125

thanx

Present ages of Anu and Raj are in the ratio 4:5. Eight years from now the ratio of their ages will be 5:6. Find their present ages.

A total of Rs 50000 is to be distributed among 200 persons as prizes. A prize is either Rs 500 or Rs 100.Find the number of each type of prizes.

a number consist of two digits of which the tens digit exceeds the unit digit by 6.the number itself is equal to tens times the sum of its.find the num.

The difference betwwen the ages of two cousins is 10 years.15 yeras ago,if the elders one was twice as old as the younger one,find their present age.

A. Linear polynomial

B. Quadratic polynomial

C. Cubic polynomial

D. Biquadrate polynomial

Pls give explanation.

Three consecutive integers are such that when they are taken in increasing order and multiplied by 2,3and 4, respectivly they add up to 74. find these numbers?

the perimeter of a rectangular swimming pool is 154m.its length is 2m more than twice its breadth.what r the length and breadth of the pool pls answer with solution hw to do

A bag contains some marbles. Half is given to A, one third of remaining to B and rest to C. If C has twice the number of marvels than B, how many marbels are there in all?

fifteen years from now ravi's age will be four times his present age . what is his present age?

Whats the difference between a simple equation and a linear equation?

the sum of the digits of a two digit number is 12. if the new number formed by reversing the digits is greater than the original number by 54, find the original number.check your solution

the sum of the digits of a two-digit number is 7. the number obtained by interchanging the digits exceeds the original number by 27.find the number.

please.i want the full explaination of this question...!!

Deveshi has a total of Rs. 590 as currency notes, in the denominations of Rs. 50, Rs. 20 and Rs.

---------- = ------

2z 9

if rainfall on a certain day was 5cm, how many litres of water fall on 1 hectare of field on that day

I don't understand this question

Please expert answer me

I have a total of Rs 300 in coins of denomination Re 1, Rs 2 and Rs 5. The number of Rs 2 coins is 3 times the number of Rs 5 coins. The total number of coins is 160. How many coins of each denomination are with me?

If x=a ,then , which of the following will not always be true for any integer k.

a) k*a = k*x

b) k-a = k-x

c) k+a = k+x

d) a/k = x/k

I thought it should be none of these as all these r always true. But in the solutions it is given that d) can not always be true. I can't understand the logic behind that.

Further,I asked one of my teachers and she said that the logic is that if k = 0 then it will become undefined and undefined cannot be equal to undefined.

Is this true? Please answer fast.

Divide 4500 into two parts such that 5% of the first part is equal to 10% of the second part.

divide 243 into 3 parts such that half of the first part , one -third of the second part and one-fourth of the third part are all equal.

The denominator of a rational number is greater than its numerator by 8. If the numerator is increased by 17 and the denominator is decreased by 1, the number obtained is. Find the rational number.

There are 90 multiple choice questions in a test. Suppose you get two marks for every correct answer and for every question you leave unattempted or answer wrongly, one mark is deducted from your total score of correct answers. If you get 60 marks in the test, then how many questions did you answer correctly?

1, O

2, 5

3, 6

Three consecutive integers add up to 51. what are these integers? ? slove this

^{2 }+ 1/ 9a^{2}lakshmi is a cashier in a bank.she has a currency notes of domination rs100,rs50,rs10, respectively.the ratio of the numbers of these notes in 2:3:5.the total cash with lakshami is rs 4,00,000.how many notes of each domination does she have.

I don't understand this question

Please expert answer me

this 2nd chapter of class 8 maths textbook is very tough...isn't it any 8th class cbse student there here.....

a man travelled one -third of a distance by bus 2 -fifth by a taxi and the remaining 28 km on scooter.hoz much did he travel?

sum of two numbers is 95. if one exceeds the other by 15,find the numbers.

after 12 years manoj will be 3 times as old as he was 4 years ago. find its present age

6x+1/3 +1 = x-3/6

IF YOU SUBTRACT 1/2 FROM A NUMBER & MULTIPLY IT WITH 1/2 YOU GET 1/8?

x-2x+2-16/3x+5=3-7/2x

A number consist of 2 digits whose sum is 9. If 9is subtracted from the number the digits interchange their places. Find the number

A cube is coloured red on one face, green on the opposite face, yellow on another face and blue on a face adjacent to the yellow face. The other two faces are left uncloured. It is then cut into 125 smaller cubes of equal size.

Can youplease answer my questions with explanations. (any 3)

a fruit seller bought 75 kg apples at rs 30 per kg he sold one third apples at a loss of 5% at what rate should he sell the remaiing so that his overall gain is 10%

ans. rs 33.83/kg

1.49p^2-q^2-9r^2-14pq

2.p^2+49q^2-9r^2-14pq

3. 49p^2+q^2-9r^2+14pq

4.49p^2+q^2-9r^2-14pq

what is the formula of (a+b+c)

^{2}- (a-b-c)^{3}The digit at the tens place of a two-digit number is three times the digit at once place.if the sum of this number and the number formed by reversing its digits is 88,find the number

The standard form of a linear equation in one variable x is ?

the denominator of a rational no. is greater than its numerator by 7. if the numerator is increased by 17 and the denominator is decreased by 6, the new number becomes 2. fin the original number.

The ratio of 2 person's income is 9 : 7 and their ratio ofexpenditures is 4 : 3. If each of them saves Rs 2000 per month, find their monthly incomes.

Solve

9x - 7/ 3x+5 = 3x - 4 / x + 6

Shobo’s mother’s present age is six times Shobo’s present age. Shobo’s age five years from now will be one third of this mother’s present age. What are their present ages?