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Amrit Ranjan
Subject: Maths
, asked on 31/3/18
The sum of 4 consecutive numbers in an ap is 32 and the ratio of the product of the first and the last term to the product of middle term is 7 is to 15 find the numbers
Answer
2
Hardik Jain
Subject: Maths
, asked on 31/3/18
Solve Q4
Answer
1
Sanjay Upadhyay
Subject: Maths
, asked on 30/3/18
Meaning of delhi ncr?
Answer
3
Hardik Jain
Subject: Maths
, asked on 30/3/18
Solve Q4
Answer
1
Mehak
Subject: Maths
, asked on 28/3/18
A plane left 30 minutes late than its scheduled time and in order to reach the destination 1500km away in yime, it had to increase its speed by 100km/hr from the usual speed. Find its usual speed.
Answer
4
Asmita Mehta
Subject: Maths
, asked on 27/3/18
For two equations,
a1x + b1y = c1
a2x +b2y = c2
a1/ a2 = b1/b2 , then tell whether the lines of these equations will intersect at a point, are coincident or do not intersect at all.?
Answer
3
Saksham
Subject: Maths
, asked on 27/3/18
Solve this:
Answer
1
Vanshikaa Jani
Subject: Maths
, asked on 26/3/18
2 audio cassettes and 3 video cassettes cost 425 and 3 audio cassettes and 2 video cassettes cost 350. What is the price of an audio and a video cassettes
Answer
1
Bincy K Biju
Subject: Maths
, asked on 26/3/18
For what value of k, the following pair of linear equations has infinite number of solutions:
2x+(k-2)y=k ;6x+(2k-1)y=2k+5
Answer
1
Ananya Joshi
Subject: Maths
, asked on 26/3/18
Q. Solve the following equation for x and y:
7
x
+
5
y
=
74
7
x
+
1
-
5
y
+
1
=
218
Answer
1
Aditi Manjare
Subject: Maths
, asked on 26/3/18
Please solve this . I have my exams .
Q.13. Solve the following pair of equations by algebraic method.
4
2
x
+
3
y
+
1
2
x
-
3
y
=
-
5
2
2
x
+
3
y
-
1
2
x
-
3
y
=
8
Answer
2
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. Suppose a person is standing on a tower of height 15(
3
+1) m and observing a car coming towards the tower. He observed that angle of depression changes from 30
°
to 45
°
in 3 seconds. Find speed of the car.
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q visible proper
Q.18. If
cos
θ
-
sin
θ
=
2
sin
θ
, prove that
cos
θ
+
sin
θ
=
2
sin
θ
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Q. If the perimeter and area of a circle are numerically equal, then find the radius of the circle.
Answer
1
अर्कज ..
Subject: Maths
, asked on 26/3/18
Solve this:
Q.1. Can two numbers have 18 as their HCF and 380 as their LCM? Give reason.
Q.2. Find the root of the equation
16
x
-
10
x
=
27
.
Q.3. Determine whether 50 cm, 80 cm, 100 cm can be the sides of a right triangle or not.
Answer
1
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What are you looking for?
a1x + b1y = c1
a2x +b2y = c2
a1/ a2 = b1/b2 , then tell whether the lines of these equations will intersect at a point, are coincident or do not intersect at all.?
2x+(k-2)y=k ;6x+(2k-1)y=2k+5
Q. Solve the following equation for x and y:
Q.13. Solve the following pair of equations by algebraic method.
Q.18. If , prove that
Q.1. Can two numbers have 18 as their HCF and 380 as their LCM? Give reason.
Q.2. Find the root of the equation .
Q.3. Determine whether 50 cm, 80 cm, 100 cm can be the sides of a right triangle or not.