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Square of 111111111 quickly
Posted by Dipens Rajput (Oct 20, 2017 11:06 p.m.) (Question ID: 64866)

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Prove that 2to the power n>n for all positive integersn
Posted by Yuvraj Singh (Oct 20, 2017 11:01 p.m.) (Question ID: 64862)

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Square of 99999999
Posted by Dipens Rajput (Oct 20, 2017 10:26 p.m.) (Question ID: 64856)

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Dam hai to iska jawab bataon X=√3+1√4+1√5+1√........find the value of X
Posted by Kaify Kakim (Oct 20, 2017 10:01 p.m.) (Question ID: 64846)

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. The owner of a milk store finds that he can sell 980 litres of milk each week at Rs. 14 per litre and 1220 litres of milk each week at Rs. 16 per litre. Assuming a linear relationship between selling price and demand, how many liters could he sell weekly at Rs. 17 per litre?
Posted by Sandeep Kaur (Oct 20, 2017 1:44 p.m.) (Question ID: 64633)

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  • 1340 lts.Using intercept form
    Answered by Akshay Satish (Oct 20, 2017 8:22 p.m.)
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Solve limit x->2 3 rest to x + 3 rest to 3-x -12 / 3 rest to 3-x - 3 rest to x/2
Posted by Nikgrik Sangma (Oct 20, 2017 9:38 a.m.) (Question ID: 64533)

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If cosec x - cot x= p,then the value of cosec x is
Posted by Shreenidhith Hemaraju (Oct 20, 2017 8:19 a.m.) (Question ID: 64510)

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sinx+sin3x+sin5x=0
Posted by Atleeakash Akash (Oct 19, 2017 8:45 p.m.) (Question ID: 64443)

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    Posted by Atleeakash Akash (Oct 19, 2017 8:46 p.m.)
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Passing through (0,0) with slope m
Posted by Sachin Paul (Oct 19, 2017 8:30 p.m.) (Question ID: 64437)

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  • y=mx
    Answered by Akshay Satish (Oct 20, 2017 8:25 p.m.)
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Exercise 13.1all sums small explanation required
Posted by Kavi Mani (Oct 19, 2017 7:43 p.m.) (Question ID: 64425)

  • What you doing go enjoy diwali
    Posted by Rehan Arya (Oct 19, 2017 8:31 p.m.)
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What is the value of 40c10 +40c11 +40c12+....+50c20
Posted by Avichal Singh (Oct 19, 2017 2:29 p.m.) (Question ID: 64350)

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I want the domain and range of all functions..... Chapter - relations and functions
Posted by Athira Babu (Oct 19, 2017 1 p.m.) (Question ID: 64320)

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Find the A.M between 3.7and 5.5
Posted by Vicky Bansal (Oct 19, 2017 7:53 a.m.) (Question ID: 64227)

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  • 4.6
    Answered by Shreenidhith Hemaraju (Oct 20, 2017 8:30 a.m.)
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Root over -2 whole squre
Posted by Rajan Shill (Oct 18, 2017 9:01 p.m.) (Question ID: 64141)

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  • 2
    Answered by Himanshi Verma (Oct 20, 2017 10:24 p.m.)
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find the range of the function. f(x)=x ÷ |x|
Posted by Prateek Singh (Oct 18, 2017 8:22 p.m.) (Question ID: 64122)

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IF 1/x+y,1/2y,1/y+z are in good then show that xerox,you,z are in gp
Posted by Sweety Gupt (Oct 18, 2017 7:49 p.m.) (Question ID: 64097)

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How many terms are in following (2x + 3y - 4z)raise to the power 'n'
Posted by Afnaan Qureshi (Oct 18, 2017 7:15 p.m.) (Question ID: 64081)

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Find the number of straight line that can be drawn through any points out of 10 points, of which 7 are collinear.
Posted by Sushant Dubey (Oct 18, 2017 6:24 p.m.) (Question ID: 64062)

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Sec^x.cosec^x=?
Posted by Avtar Singh (Oct 18, 2017 4:51 p.m.) (Question ID: 64042)

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Three numbers are in A.P . if the sum of these numbers be 27 and the product 648 . find the numbers
Posted by Neha Sharma (Oct 18, 2017 12:58 p.m.) (Question ID: 63977)

  • Hi
    Posted by Rehan Arya (Oct 18, 2017 5:09 p.m.)
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  • (a-d)+a+(a+d)=3a=27, a=9, (a-d) a (a+d)=(9-d) 9 (9+d)=648,(81-9d)(9+d)=648,729+81d-81d-9d2=648,729-648=9 d2, 81/9=d2, d2=9, d=3 .... now a=9, d=3,..required number. 6,9,12
    Answered by Rehan Arya (Oct 18, 2017 5:08 p.m.)
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Tan (a+b)
Posted by Esha Pal (Oct 18, 2017 11:12 a.m.) (Question ID: 63948)

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  • Tan a +tan b/1+tan a.tan b
    Answered by Suchitra Patra (Oct 18, 2017 12:57 p.m.)
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10 - 10 + 6 - 1 by 10 - 6 + 1 equal to 1 + sin by Cos A
Posted by Yash Sahu (Oct 18, 2017 7:42 a.m.) (Question ID: 63867)

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Find the sum of the series up to N terms 1*3*7+2*6*11+3*9*15+...........
Posted by Rohit Kumar (Oct 17, 2017 7:52 p.m.) (Question ID: 63730)

  • Nyc 9ne
    Posted by Siya Makker (Oct 18, 2017 11:09 a.m.)
  • (1+2+3+....+n)×(3+6+9+...+n)×(7+11+15+...+n)=[1+(n-1) 1]=(1+n-1)=n..... (1)::::(3+3n-3)=3n... (2):::(7+4n-4)=(4n+3)... (3):::from 1,2,3""n×3n×(4n+3)=3n2×(4n+3)=12n^3+9n^2=12n3+9n2 by sum of n3 and n2 to n term=3n (n+1)/2 [2n (n+1)+(2n+1)]
    Posted by Rehan Arya (Oct 17, 2017 9:16 p.m.)
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  • a=1d=2 TN =1+(n-1)2 =1+2n-2 =2n-1
    Answered by Vasu Deekshith (Oct 17, 2017 8:20 p.m.)
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  • Tn=a+(n-1)d
    Answered by Vasu Deekshith (Oct 17, 2017 8:18 p.m.)
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If x by 3, 2 by 3 equal to 4 by 3, y by 3 then find the value of x and y
Posted by Manish Kumar (Oct 17, 2017 7:41 p.m.) (Question ID: 63718)

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(if x by 3 2 by 3 equal to 4 by 3 by 3 then find the value of x and y
Posted by Manish Kumar (Oct 17, 2017 7:39 p.m.) (Question ID: 63715)

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Chapter- Permutations Q. How many numbers are between 100 and 1000 in which all the digits are distinct?
Posted by Gautam Kumar (Oct 17, 2017 12:12 a.m.) (Question ID: 63475)

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  • 648
    Answered by Rehan Arya (Oct 17, 2017 10:43 a.m.)
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How many numbers less than 1000 can be made with the digits 0 ,5,3,7?
Posted by Himanshi Shukla (Oct 16, 2017 11:17 p.m.) (Question ID: 63459)

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  • 24 if repitetion of digit is not allowed 64 if rep. is allowed
    Answered by Dipens Rajput (Oct 20, 2017 10:54 p.m.)
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  • 64
    Answered by Rehan Arya (Oct 18, 2017 9:06 a.m.)
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  • 6
    Answered by Rehan Arya (Oct 17, 2017 7:45 a.m.)
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X is wife of y where x,y are any two persons in a lacality.
Posted by Rakesh Jasrotia (Oct 16, 2017 8:01 p.m.) (Question ID: 63325)

  • Is this a transitive relation
    Posted by Rakesh Jasrotia (Oct 16, 2017 8:01 p.m.)
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Is there any easier way to solve binomial theorems
Posted by Akash Raja (Oct 16, 2017 7:58 p.m.) (Question ID: 63323)

  • Thank u
    Posted by Akash Raja (Oct 20, 2017 9:08 p.m.)
  • By Pascal's triangle
    Posted by Himanshi Shukla (Oct 16, 2017 11:06 p.m.)
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J
Posted by Stanzin Namgial (Oct 16, 2017 7:14 p.m.) (Question ID: 63274)

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