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Neha
Subject: Maths
, asked on 17/5/18
Solve this:
13.
$\frac{5}{x+1}$
+
$\frac{1}{y-2}$
= 2;
$\frac{25}{x+1}$
+
$\frac{3}{y-2}$
= 8
Answer
2
Yakini Jain
Subject: Maths
, asked on 16/5/18
solve using cross multiplication method: 3x - 5y = 4 ; 9x - 2y = 7
Answer
1
Riddhima Nayyar
Subject: Maths
, asked on 14/5/18
4 men and 6 boys can finish a work in 5 days while 3 men and 4 boys can finish it in 7days. Find the time taken by 1 man and that by 1 boy alone
Answer
1
Abhishek Kaushik
Subject: Maths
, asked on 13/5/18
THE STUDENTS OF A CLASS RE MADE TO STAND IN A ROW. IF THREE STUDENTS ARE EXTRA IN A ROW, THERE WOULS BE 1 ROW LESS. IF 3 STUDENTS ARE LESS IN ROW, THERE WOULD BE 2 ROWS MORE.FIND NO. OF STUDENTS IN CLASS.
Answer
1
Srishti Sinha
Subject: Maths
, asked on 13/5/18
Solve 21st
21.
The area of a rectangle reduces by 160 m
^{2}
if its length is increased by 5m and breadth is reduced by 4 m. However, if length is decreased by 10 m and breadth is increaed by 2m, then its area is decreased by 100 m
^{2}
. Find dimensions of the rectangle
Answer
1
Srishti Sinha
Subject: Maths
, asked on 13/5/18
Solve 20 th
20.
At a certain time in a zoo, the number of heads and number of legs of tiger and peacock were counted and it was found that there were 47 heads and 152 legs. Find the number of tigers and peacocks in the zoo. Why is it necessary to conserve these animals ?
Answer
1
Srishti Sinha
Subject: Maths
, asked on 13/5/18
Solve 18th
Answer
3
Srishti Sinha
Subject: Maths
, asked on 13/5/18
Solve 6 th
Q.6. Solve for x and y :
6 (ax + by) = 3a + 2b ; 6(ax - by) = 3b - 2a
Answer
1
Trisha
Subject: Maths
, asked on 13/5/18
How can we find the value of x and y when we have to show the equation graphically?pls explain with example
Answer
3
D.n.kunal
Subject: Maths
, asked on 12/5/18
Can you solve this for me...?
Q. Solve for x and y.
$\frac{bx}{a}+\frac{ay}{b}={a}^{2}+{b}^{2};x+y={a}^{2}+{b}^{2}$
Answer
1
Trisha
Subject: Maths
, asked on 11/5/18
What is reducible from?
Answer
1
Neha
Subject: Maths
, asked on 11/5/18
Solve this:
Q.9. If 37 pens and 43 pencils costs Rs. 123 and 43 pens and 37 pencils costs Rs. 117. Find the cost of 2 pens and 4 pencils together.
Answer
1
Hannah Sarah Bobby
Subject: Maths
, asked on 10/5/18
If the length is 2cm more than breadth and if length and breadth are increased by 2cm each, the area gets doubled. Find length and breadth
Answer
1
Yakini Jain
Subject: Maths
, asked on 9/5/18
solve using cross multiplication method:9x-10y=-12 and 2x+3y=13
Answer
1
Yakini Jain
Subject: Maths
, asked on 9/5/18
solve using substitution method,elimination method and cross multiplication method : 3x/2-5y/3=-2 and x/2+y/2 =13/6
Answer
2
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13. $\frac{5}{x+1}$ + $\frac{1}{y-2}$ = 2; $\frac{25}{x+1}$ + $\frac{3}{y-2}$ = 8

21.^{2}if its length is increased by 5m and breadth is reduced by 4 m. However, if length is decreased by 10 m and breadth is increaed by 2m, then its area is decreased by 100 m^{2}. Find dimensions of the rectangle20.At a certain time in a zoo, the number of heads and number of legs of tiger and peacock were counted and it was found that there were 47 heads and 152 legs. Find the number of tigers and peacocks in the zoo. Why is it necessary to conserve these animals ?Q.6. Solve for x and y :

6 (ax + by) = 3a + 2b ; 6(ax - by) = 3b - 2a

Q. Solve for x and y. $\frac{bx}{a}+\frac{ay}{b}={a}^{2}+{b}^{2};x+y={a}^{2}+{b}^{2}$

Q.9. If 37 pens and 43 pencils costs Rs. 123 and 43 pens and 37 pencils costs Rs. 117. Find the cost of 2 pens and 4 pencils together.