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Syllabus

If 2A=3B=4C then find A:B:C.

A number consists of two digits whose sum is 8. If 18 is added to the number, its digits are reversed, find the number?

1. The age of sonal and manoj are in the ratio 7:5. Ten years hence, the ratio of their ages will be 9:7. Find their present ages.

2. Five years ago a man was seven times as old as his son. Five years hence, the father will be three times as old as his son. Find their present ages.

3. Raju is 19 years younger than his cousin. After 5 years, their ages will be in the ratio 2:3. Find their present ages.

4.After 12 years manoj will be 3 times as old as he was 4 years ago. Find his present age.

5. In a examination, a student requires 40% of the total marks to pass. If Rupa gets 185 marks and fails by 15 marks, find the total marks

PLEASE ANSWER AS QUICKLY AS POSSIBLE I HAVE EXAM TOMORROW...

ATLEAST IF YOU KNOW 2-3 ANSWER PLEASE GIVE THE ANSWER

BUT PLEASE GIVE ANSWER OF QUESTION 1 QUICKLY...

16(3x-5)-10(4x-8)=40

Question 4:

(a) Construct 3 equations starting withx= 2

(b) Construct 3 equations starting withx= 2

The question here instructs you to create 3 equations

with x =2 and 3 more equationsstartingwith x=-2 but the answer to it on the meritnation website is constructing 3 equation with thestartingas x=2 and 3 more equations with theansweras x=-2.answerHere is the answer that is on meritnation

Answer:(a) x= 2

Multiplying both sides by 5,

5x= 10 (i)

Subtracting 3 from both sides,

5x 3 = 10 3

5x 3 = 7 (ii)

Dividing both sides by 2,

(b) x= 2

Subtracting 2 from both sides,

x 2 = 2 2

x 2 = 4 (i)

Again,x= 2

Multiplying by 6,

6 ×x= 2 × 6

6x= 12

Subtracting 12 from both sides,

6x 12 = 12 12

6x 12 = 24 (ii)

Adding 24 to both sides,

6x 12 + 24 = 24 + 24

6x+ 12 = 0 (iii)

the ages of sonal and manoj are in the ratio 7:5. after 10 years, the ratio of teir ages will be 9:7. find their present ages ?

Find the cube root of 5832

Solve the following riddle:

I am a number,

Tell my identity!

Take me seven times over

And add a fifty!

To reach a triple century

You still need forty!

a) What is the length of each part ?

b) If the length of each part is 3 metres find the length of the whole piece of rope .

Solve the following equations by trial and error method:

(i) 5

p+ 2 = 17 (ii) 3m− 14 = 4Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score? Please give the steps also and the equation

A sum of rs.3000 is to be givenin form of 63 prizes. If the prize money is either rs.100 or rs. 25 . Find the number of prizes of each type?

A number consists of two digits whose sum is 7. If 27 is added to the number , the digits are reversed. Find the number.

in an isosceles triangle the base angles are equal and the vertex angle is twice of each base angle . find the measures of the angles of the triangle..[linear equation]

2x-3=3/10(5x-12)

(a) Construct 3 equations starting with

x= 2(b) Construct 3 equations starting with

x= − 2In a certain office , 1/3 of the workers are women, 1/2 of the women are married and 1/3 of the married women have children. If 3/4 of the men are married and 2/3 of the married men have children, what part of workers are without children?

The total cost of 3 tables and 2 chairs is Rs 745 . If one chair costs Rs 40 more than one chair , find the price of each ?

What does O stands for in BODMAS principle

Two towns A and B are 400km apart. Prakash and Jagdish started their cars from towns A and B respectivly at the same time towards each other. When they were 10km apart, the speed of prakash's car exceeded the speed of Jagdish car by 10km/ hour, find their respective speeds.

The length of a rectangular field is twice its breadth. If the perimeter of the field is 150 m, find its length & breadth.

A number is such that it is as much greater than 84 as it is less than 108. Find the number.

please improve 7th class ncert maths ch.simple equation pg-86 q.3

Hari babu left one-third of his property to his son, one-fourth to his daughter & the remainder to his wife. If his wife's share is Rs 18000, find the worth of his total property.

An employer pays Rs 20 for each day a worker works , and deducts Rs3 for each day he is idle. At the end of 60 days , a worker gets Rs 280. For how many days did the worker remain idle?

find a number such that one fourth of the number is 3 more than 7

Solve the following:

(a) The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. What is the lowest score?

(b) In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°).

(c) Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score?

16(3x-5)-(4x-8)=40

:QuestionThe ages of Leena and Heena are in the ratio 7:5. Ten years hence, the ratio of their ages will be 9:7.

Find the their present ages(solution with statement).

a number consists of two digits whose sum is 8. If 18 is added to the number, its digits are reveresed. Find the number.

can anyone has the solution to it??? i could not get it...please help me

3l/2=2/3

The difference of two supplementary angles is 40`. Find the angles.

how to solve 2y + 5/2 = 37/2

One third of Arun's marks in mathematics exceeds a half of his marks in English by 30. If he got 240 marks in the two subjects together, how many marks did he get in English?

the length of the rectangle exceeds its breadth by 3 cm . if the length and breadth are each increased by 2 cm ,then the area of the new rectangle will be 70 sq cm more than that of given rectangle.Find the length and breadth of the given rectangle.

A teacher tells the class that the highest marks obtained by a student in her class is twice the lowest markes plus 7. The highest score is 87. what is the lowest score. please tell me the answer of that Question

A number of two digits exceed four times the sum of its digits by 6 and it is increased by 9 on reversing its digits. Find the number

In a class of 49 students, the number of girls is 1/6 times the number of boys. Find the number if girls and boys.

write the statement in the form of equations :

1.one fourth of m is 3 more than 7

aleeka is now 12 years old and ravina is 24 years old. how many years ago was aleeka three times as old as ravina?

Write in equation form:1.One-sixth of c is 2 more than 8.2.If you add 4 to one-fourth of p,you get 40.

Irfan says that he has 7 marbles more than five times the marbles Parmit has.Irfan has 37 marbles {take m to be the number of Parmit marbles}

i cant get this answer plsssssssssss solve it fast

a circular plot of ground of radius is 42m is surrounded by a circular ring of grss plot. find the width of a grass plot. if the area = that of the circular plot?

When you divide a certain number by 13, the quotient is -18 and the remainder is 7. what is the number. How is it done

by selling a jacket for rs 729 sunanda lost 10 % what was the cost price ??

Varun takes a certain number of rotis during lunch, but always wastes half a roti. Rosa takes half the number of rotis as Varu,and always finishes her share. After 20 days, if the number of rotis that were consumed during lunch by them together is 110(excluding the rotis wasted),then find the number of rotis per meal that Varun and Rosa take.How many rotis were wasted in 20 days?

a sum of 500 is in the form of denominations of 5 and 10. if the total number of notes is 90, find the number of notes of each type.

Aleeka is now 12 years old and Ravina is 24 years old. How many years ago was Aleeka three times as old as Ravina?

Please solve it with steps..

in an examination ,a student requires 40% of the total marks to pass.if rupa gets 185 mark and fails by 15 marks,find the total marks.[linear equation]..

(a) 3x=7 (b) 2m-4/3=1 (c) (x-1)(x+1)=0 (d) y-1=0

solve-

4+5(p-1)=34

mrs goel is 27 years older than her daughter rekha. after 8 years she will be twice as rekha. find their present ages?

0.231 expressed as a vulgar fraction is .??

Write the following equations in statement forms:

(i)

p+ 4 = 15 (ii)m− 7 = 3(iii) 2

m= 7 (iv)(v) (vi) 3

p+ 4 = 25(vii) 4

p− 2 = 18 (viii)FIVE YRS AGO , A MAN WAS 7 TIMES AS OLD AS HIS SON .FIVE YRS HENCE , THE MAN WILL BE THREE TIMES AS OLD AS HIS SON . FIND THEIR PRESENT AGES .

out of the rational numbers 5/-11, 5/-12, 5/-17 which is the greater

The numerator of a fraction is 4 less than the denominator. If 1 is added to both numerator and denominator it becomes 1/2.Find the fraction

The cost of 2 tables and 3 chairs is Rs.705. If the table costs Rs.40 more than the chair and the chair, find the cost of the table an chair.

Solve : 4-3 ( 2-y ) = 34Please answer fast..........people of sundargram planted trees in the village garden. some of the trees were fruit trees. the number of non fruit trees. were two more than three times the number of fruit trees. what was the number of the fruit trees planted if the number of non fruit trees planted was 77 ?In a family, the consumption of wheat to that of rice is in the ratio 3 : 1. If the total consumption of the two cereals in the family is 28kg during the month of June, find the consumption of wheat and rice during the month of July and April.