03:57

JEE MAINS 2016 (Mathematics Set E - 64)

02:18

JEE MAINS 2016 (Mathematics Set E - 70)

04:10

JEE MAINS 2016 (Mathematics Set E - 73)

04:03

JEE MAINS 2016 (Mathematics Set E - 88)

05:41

JEE MAINS 2016 (Mathematics Set E - 87)

03:32

JEE MAINS 2016 (Mathematics Set E - 62)

04:14

JEE MAINS 2016 (Mathematics Set E - 61)

05:09

JEE MAINS 2016 (Mathematics Set E - 75)

03:57

JEE MAINS 2016 (Mathematics Set E - 89)

04:58

JEE MAINS 2016 (Mathematics Set E - 72)

06:56

JEE MAINS 2016 (Mathematics Set E - 76)

03:39

JEE MAINS 2016 (Mathematics Set E - 74)

01:57

S1 Q18 | Permutations of ARTICLE such that vowels come at odd places.

03:40

S1 Q16 | Number of 5 digit numbers, divisible by 3.

02:52

S1 Q15 | Number of n digit numbers, with no consecutive digits same.

01:57

S1 Q17 | Finding total number of Proper Divisors of 38808

03:04

S1 Q19 | Total arrangements of the word BANANA, in which two N's are not adjacent.

01:39

S1 Q20 | Find total permutations of MAXIMUM so that two consonants never occur together.

03:40

S1 Q21 | Find total 5 letter words with at least one letter repeated. (JEE 1982)

01:02

9 | LCM of pi/6 and 1

01:52

11 | sin(585) and cot(1185)

01:52

10 | If the angles of a triangle are in AP, find the angles.

01:33

8 | Arc of length 15 pi makes and angle of 3 pi/4. Find the radius of circle.

01:31

3 | Find sin (900-x)

02:47

6 | If A+B=45, find (1+tanA)(1+tanB)

03:23

1 | Given the value of tan x find the value of sin x.

02:15

7 | Find sec x + tan x if sin x = 24/25

04:30

5 | Which of the following is a rational number ?

03:25

O1 4 | 5 tan x =4. Find (5sinx - 3 cosx) / (5sinx + 2cosx)

03:13

2 | Find the value of sin 105 + cos 105

33:49

Lecture 1 (Fundamental Principles of Counting)

02:21

O1 Q23 | If f(x+2) + f(x) = f(x+1) then prove that f(x) is periodic function.

02:52

O1 Q25 | If g(x) = a |sin x| + a^2 |cos x| + f(a) has period pi/2. Then find a.

02:16

O1 Q30 | Find the period of function f(x) = |sin x| - |cos x|

05:14

O1 Q33 | Find period of the function.

04:08

O1 Q26

03:33

O1 Q28 | Periodic and non-periodic functions

05:29

O1 Q31 | Find the period of the function f(x) = |sin x| + |cos x| / (|sin x - cos x|)

02:03

O1 Q32 | Which of the following is not a periodic function?

02:46

O1 Q22 | Find the period of the function f(x )= sin (sin (x/5))

01:50

O1 Q27 | Find period of the function f(x)= sin x/ tan x.

00:56

O1 Q21 | Find range of function f(x) = sin pi [x]/(x^2 + 1) where [] is greatest integer function

02:15

O1 Q24 | if sin ax + cos ax and |sin x| + |cos x| have same period, then find a.

03:14

O1 Q29 | Which of the following is a periodic function ?

01:51

S1 Q13 | Find maximum number of points of intersection of 6 circles.

02:42

S1 Q14 | Find number of words with at least one vowel.

03:13

S1 Q10 | Find total number of 5 digit telephone numbers with at least one digit repeated.

01:32

S1 Q8 | How many 10 digit numbers can be written using digits 1 and 2.

03:13

S1 Q11 | Find total number of numbers greater than 56000.

01:04

S1 Q12 | Find total number of divisors of 9600

05:42

S2 Q1 (How many times the digit "3" will be used while listing numbers from 1 to 1000 ?)

01:39

S1 Q9 | Find total number of 3 digit even numbers.

01:39

O1 Q10 | Find domain of the function f(x) = 1/ (1-tanx)

04:38

O1 Q20 | Find range of the function f(x) = [x^2] - [x]^2 where [] denotes greatest integer function

03:16

O1 Q18 | Find range of the function f(x)= (x^2 + x + 2)/(x^2 + x + 1)

02:48

O1 Q19 | Find Domain and Range of the function f(x) = x^3 + 3x^2 + 20x - sinx.

03:56

O1 Q17 | Can you tell if this function is even or odd ?

01:18

O1 Q16 | Find the range of the function f(x) = [2x] where [] denotes greatest integer function

01:17

O1 Q15 | Find the domain of the function f(tan x) where f(x) is defined in [0,1]

03:28

O1 Q14 | Find domain of the function f(x) = log (( x^2 - 5x +6 )/( x^2 + x + 1))