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Syllabus

THE SUM OF THREE CONSECUTIVE MULTIPLES OF 8 IS 888.FIND THE MULTIPLES?from the ground floor to the terrace of the building.

Currently, it is at the 4th floor which is at a height of 20 m from the ground. From there, it goes to the terrace and then goes back to the ground floor.

Which of the following expressions represents the TOTAL distance covered by the elevator, in metres?

A. (2x-4)

B. (2x-20)

c. (2x+20)

D. (2x-40)

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?

A sum of rs 4750 is in 50 and 100 rupee notes. If there are60 notes in all, how many- a)50 rupee notes are there b)100rupee notes are there

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.

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

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

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.

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)

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.

^{2}+b^{2}+ c^{2})/ c^{2}-abAman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.

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

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)

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?

if 8 oxen or 6 horses eat the grass of a field in 10 days,in how many days will 4 oxen and 2 horses eat it ?

Need answer from expert only!

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.

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?

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

if one and half times a number is 150, the number is

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 rectangleA 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?

Half 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

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

Choose the correct answer:

a)

b)

c)

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.

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

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.

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?

Pls do not refer any link...

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

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

An ice cream costs Rs 15 more than a cold drink. If the cost of buying 5 ice creams is Rs 125, find the price of a cold drink.

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

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...!!

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.

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

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

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

five years ago raju was twice as old as peter.five yers later,his age will be 5 more than peters age.find their present age.

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?

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.

Find the value of G

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?

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

1. Which of the following is the cube root of -64/ 343 ?

a) 7/4 b) -7/4 c) 4/7 d) -4/7

2. Which of the following is a perfect cube ?

a) 10000 b) 243 c) 343 d) 270000

3. If 2/5x = 4 then which of the following is the value of x ?

a) -9 b) 9 c) -1/9 d) 1/9

4. Complete the given pattern including two more consecutive steps ?

7

^{2 }= 4967

^{2}= 4489667

^{2 }= 4448896667

^{2 }= 444488895. What is the smallest number by which 648 must be multiplied so that the product is a perfect cube ?

6. Sove the equation -

x+3/4 = 2x-3/5

7. There are 500 children in a school , for a P.T. drill , tehy have to stand in such a manner that the number of rows is equal to the number of columns. How many children would be left out in this arrangement ?

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.

The number of boys in a tennis club is 10 more than half the number of girls. If there are 40 boys in the tennis club, find the total number of boys and girls in the club.

the highest power of variable in linear equation is __________

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

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

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

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

the perimeter of a school volley ball court is 177 feet and the length is twice the width . what are the dimensions of the court ?

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

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

A 50 litre solution of acid and water contains 10 litre of acid.

How much water must be added to make the solution 8% acidic.

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.

Ans - 2

But explain me?

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.

Pls do not refer any link

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?

Find two numbers x and y such that xy, x/y, x+y are equal.