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Syllabus

THE SUM OF THREE CONSECUTIVE MULTIPLES OF 8 IS 888.FIND THE MULTIPLES?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?

Q1. Andy walks at a certain speed. With that speed , he covers a distance of 4 km. He then doubles his speed and covers another 16 km. The total time taken by him is 3 hours. What is Andy's speed?

A. 1km/h B. 2 km/h C. 3 km/h D. 4 km/h

Q2. Darrel has a mixture of spirit and water in the ratio 4:5. He adds 4 L of a mixture having spinit and water in the ratio 4:5 to the original mixture. Finally, he adds 2 L of water to the resulting mixture. The final ratio of spirit and water was 3:5. What was the initial volume of water in the mixture?

A. 6 L B. 8 L C. 10 L D. 12 L

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.

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)

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.

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

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?

opposite sides equal and parcel

diagonals are equal in length

diagonals form four congruent triangles

all angles are exactly 90degress

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.

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.

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

rnA 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)

The 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?

Pls do not refer any link

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

Vaishali scored 85 in test containing 100 problems and her score was calculated by subtracting two times the number of wrong answers from the number of correct answers.How many problem did he solve correctly? ----- help me meritnation to do this problem by using linear eqations in one variable

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

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

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.

the perimeter of a rectangle is 52cm .if its width is 2cm more than one third of its length.find the dimensions of the rectangle.plz explain with a short and a easy MEthod

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?

Experts plz answer my question

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

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.

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

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.

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...!!

^{2}+b^{2}+ c^{2})/ c^{2}-abDeveshi has a total of Rs. 590 as currency notes, in the denominations of Rs. 50, Rs. 20 and Rs.

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

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?

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.

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

15(x-y) - 3 (x-9) + 5 (x+6) = 0

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.

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

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?

Find the value of G

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

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.

andy walks at a certain speed. With that speed , he covers a distance of 4 km. he then doubles his speed and covers another 16km.The total time taken by him is 3 hours What was his speed???

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

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

A)25%

B)50%

C)75%

D)100%

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

^{2}- (a-b-c)^{3}Raj left one - thrid of his property to his son, one fourht to his daughter and the remainder to his wife. If wifes share was worth Rs.32,000 how much money did Raj have ??

PLSS GIVE THE ANSWEREXPERTS PLSS GIVE THE ANSWERThe 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 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.

if 3x

^{3}+ 4x^{2}+ 7x + 9=3479, and "x" is a positive real number, what is the value of x^{3}+ 5x^{2}+ 7?Write the explanation? Answer in proper steps urgently

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.

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?