01:20

If the first term of an A.P. is -5 and the common difference is 2, then the sum of first 6 terms is

01:36

The sum of first 16 terms of the A.P.: 10, 6, 2, ..., is || rd sharma book question Class 10 CBSE

05:38

(3-1/n)+(3-2/n)+(3-3/n)+... upto n terms is...|| rd sharma book Question Class 10 CBSE

02:36

If 18, a, b, -3 are in A.P., then a+b=? || Class 10 rd sharma book Question

03:08

The zeroes of a polynomial x²+px+q are twice the zeroes of the polynomial 4x²-5x-6. The value of p

01:52

If α, β are the zeroes of the polynomial 6x²-5x-4, then 1/α+1/β is...|| Previous Year Question CBSE

01:09

If the sum of zeroes of the polynomial p(x)=2x^2-k√2x+1 is √2, then value of k is...|| CBSE Class 10

02:11

If zeroes of the quadratic polynomial f(x)=(k^2+4)x^2+7x+4k are reciprocal of each other, then...

02:07

The zeroes of the quadratic polynomial f(x)=x^2+99x+127 are...|| rd sharma book Question ||

04:00

If α and β are the zeroes of the quadratic polynomial f(x)=ax^2+bx+c, (i) α^3+β^3(ii) 1/α^3+1/β^3

01:59

Can you solve this olympiad maths problem? || Circle question || Geometry question || 🤔🤔

03:20

If α and β are the zeroes of the quadratic polynomial f(x)=x^2-px+q, then find the values of α^2β...

01:17

If α and β are the zeroes of a polynomial x^2-4√3x+3, then find the value of α+β-αβ...|| Class 10

02:14

If α and β are the zeroes of the polynomial f(x)=x^2-6x+k, find the value of k, such that α^2+β^2=40

03:27

The roots α and β of the quadratic equation x^2-5x+3(k-1)=0 are such that α-β=1. Find the value of k

03:02

The zeroes of the polynomial x^2-3x-m(m+3) are...|| CBSE Previous Year Question 2020 || Class 10

02:16

Find the value of k such that polynomial x^2-(k+6)x+2(2k-1) has sum of its zeroes equal to half...

01:01

if one zero of the quadratic polynomial x^2+3x+k is 2, then the value of k is...|| CBSE Class 10

02:34

p and q are the zeroes of the polynomial 4y^2-4y+1. What is the value of 1/p + 1/q +pq? || CBSE Que.

08:43

If 5+9+13+...to n terms/7+9+11+...to (n+1) terms=17/16, then n=?

03:46

The 9th term of an A.P. is 449 and 449th term is 9. The term which is equal to zero is...|| rd que.

04:21

The sum of first 9 terms of an A.P. is 162. The ratio of its 6th term to its 13th term is 1:2...

05:17

If the sum of 7 terms of an A.P. is 49 and that of 17 terms is 289, find the sum of n terms...

02:46

How many terms are there in an A.P. whose first and fifth terms are -14 and 2, respectively...Oswaal

02:35

The first term of an A.P. is 3, the last term is 83 and the sum of all its terms is 903...Oswaal Que

06:26

If the sum of three consecutive terms of an increasing A.P. is 51 and the product of the first... ||

01:07

The first term of an A.P. is p and the common difference is q, then its 10th term is...|| rd que.

03:00

The value of x for which 2x, x+10 and 3x+2 are the three consecutive terms of an A.P. is...|| rd que

02:24

The sum of first 20 odd natural numbers is... || Class 10 || A.P. || rd question ||

05:03

The common difference of an A.P., the sum of whose n terms is Sn, is... || Class 10 || A.P. ||

03:07

The nth term of an A.P., the sum of whose n terms is Sn, is...|| rd question || Class 10 || A.P. ||

04:06

If 1/x+2, 1/x+3, 1/x+5 are in A.P. Then, x=...|| rd question || Class 10 || Arithmetic Progression |

02:49

The first three terms of an A.P. respectively are 3y-1, 3y+5 and 5y+1. Then y equals...|| Class 10

03:59

The next term of the A.P. √7, √28, √63,...|| rd question || Arithmetic Progression || Class 10 ||

00:57

If x=2sin^2θ and y=2cos^2θ+1, then x+y is equal to...|| rd question || Arithmetic Progression ||

01:52

If k, 2k-1 and 2k+1 are three consecutive terms of an AP, the value of k is...|| rd question || AP

01:46

The common difference of the AP 1/2b, 1-6b/2b, 1-12b/2b,...is || rd question || A.P. ||

01:48

The common difference of the AP 1/3, 1-3b/3, 1-6b/3,...is || rd question || AP ||

01:53

The common difference of the AP 1/2q, 1-2q/2q, 1-4q/2q,...is || rd question || A.P. ||

01:33

If the product of the zeroes of the quadratic polynomial 3x^2+5x+k is -2/3, then the value of k is..

05:12

If α, β are zeroes of quadratic polynomial 5x^2+5x+1, find the value of 1.α^2+β^2 2. α^-1+β^-1

03:52

If two positive integers a and b are written as a=x^3y^2 and b=xy^3, where x, y are prime numbers...

04:00

If one of the zeroes of a polynomial 3x^2-8x+2k+1 is seven times the other, find the value of k...

03:20

If α, β are the zeroes of the quadratic polynomial p(x) = x^2-(k+6)x+2(2k-1), then the value of k...

01:56

The angle of depression of a car, standing on the ground, from the top of a 75m tower, is 30°...

01:37

The length of shadow of a tower on the plane ground is √3 times the height of the tower...

07:03

Anuj had some chocolates and he divided them into lots A and B. He sold the first lot at the rate...

07:12

In a flight of 600 km, an aircraft was slowed down due to bad whether. It's average speed for the...

05:17

Prove the following that : tan^3θ/1+tan^2θ + cot^3θ/1+cot^2θ = secθcosecθ-2sinθcosθ...|| Class 10 ||

03:10

Find an acute angle θ when cosθ-sinθ/cosθ+sinθ = 1-√3/1+√3 ...|| Class 10 ||

03:36

If the zeroes of the polynomial x^2+px+q are double in value to the zeroes of the polynomial...

03:22

If 49x+51y=499, 51x+49y=501, then find the value of x and y...

02:05

The number of revolutions made by a circular wheel of radius 0.25m in rolling a distance of 11 km is

02:34

If the difference of Mode and Median of a data is 24, then the difference of median and mean is...

02:48

The sum of the length, breadth and height of a cuboid is 6√3 cm and the length of its diagonal is...

01:17

The area of the circle that can be inscribed in a square of 6 cm is...

03:01

If two tangents inclined at an angle of 60° are drawn to a circle of radius 3cm, then the length...

04:42

ABCD is a trapezium with AD||BC and AD=4 cm. If the diagonals AC and BD intersect each other at O...

02:15

In the given figure, DE||BC, AE=a units, EC=b units, DE=x units and BC=y units. Which of the...

02:38

If sinθ+cosθ=√2, then tanθ+cotθ=...