. The sum of n terms of two series in A.P. are in the ratio (3n – 13) : (5n + 21)

Related questions

The horizontal distance between two towers is 140m

---

Prove that in a right triangle the square on the

---

Find the roots of the following quadratic equations by factorisation

---

If two tangents inclined at an angle of 60º

---

A polynomial of degree ___ is called linear polynomial

---

The longest chord of a circle is called its

---

Find quadratic polynomial whose zeroes are 3 - 3

---

Which one of the following is a polynomial

---

How many lines of symmetry does a square have

---

Factorize x^3+13x^2+32x+20

---

Degree of zero polynomial is

---

State fundamental theorem of arithmetic

---

1 liter is equal to

---

Using Euclids division algorithm find the HCF of 135 and 225

---

If an=5-11n then the common difference will be

---

In a cricket tournament 16 teams participated

---

Length of a string tied to two rigid supports is 40 cm

---

Locus of centroid of the triangle whose vertices are

---

The string of kite is 100 m

---

A train travels 360 km at a uniform speed

---