Recent questions without a selected answer

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0 answers

Form the pair of linear equations in the following problems and find their solutions (if they exist) by any algebraic method :

asked Apr 25, 2017 in Mathematics by sforrest072 (157,439 points)

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0 answers

For which values of a and b does the following pair of linear equations have an infinite number of solutions? 2x + 3y = 7

asked Apr 25, 2017 in Mathematics by sforrest072 (157,439 points)

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0 answers

Form the pair of linear equations in the following problems, and find their solutions (if they exist) by the elimination method :

asked Apr 25, 2017 in Mathematics by sforrest072 (157,439 points)

+1 vote

1 answer

1. the number of ways in the squares of 8x8 chess board can be painted red or blue so that each 2x2 square has two red and two blue squares is

asked Apr 24, 2017 by minalan (67 points)

+1 vote

1 answer

Check wether 5n end with the digit 0 where n is a natural number

asked Apr 23, 2017 by Hanish (20 points)

+3 votes

1 answer

ray optics class 12

asked Apr 21, 2017 in Physics by Dharma Teja (182 points)

+2 votes

1 answer

Electrostatics

asked Apr 20, 2017 in Physics by Kartik (25 points)

+2 votes

1 answer

what is STDs

asked Apr 16, 2017 in Biology by a (25 points)

0 votes

1 answer

Draw graphs of the equations x–y+1=0 and 3x+2y–12=0. Determine coordinates of the vertices of the triangle formed by these lines and x-axis

asked Apr 14, 2017 in Mathematics by sforrest072 (157,439 points)

+1 vote

1 answer

If (x – 6) is a factor of x^3 + ax^2 + bx – b = 0 and a – b = 7, find the values of a and b.

asked Apr 10, 2017 in Mathematics by Annu Priya (18,055 points)

+1 vote

1 answer

If one zero of polynomial f(y) = (k^2 + 4) y^2 + 13y + 4k is the reciprocal of the other, then value of k is

asked Apr 10, 2017 in Mathematics by Annu Priya (18,055 points)

0 votes

1 answer

The number of consecutive zeros in the number 2^4 × 3^3 × 5^2 × 7 is

asked Apr 10, 2017 in Mathematics by Annu Priya (18,055 points)

0 votes

1 answer

If p is a prime number and p divides k^2, then p divides:

asked Apr 10, 2017 in Mathematics by Annu Priya (18,055 points)

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1 answer

If m = pq^3 and n = p^3q^2 HCF (p, q) = 1, then H.C.F. (m, n) is

asked Apr 10, 2017 in Mathematics by Annu Priya (18,055 points)

0 votes

0 answers

Class 12 Semiconductors

asked Apr 9, 2017 in Physics by Anurag123 (15 points)

+1 vote

1 answer

integration areas problem

asked Apr 8, 2017 in Mathematics by Dharma Teja (182 points)

0 votes

1 answer

iit question

asked Apr 3, 2017 in Mathematics by ram (15 points)

+1 vote

2 answers

How many 4- digit numbers are there with no digit is repeated

asked Apr 3, 2017 in Mathematics by Arushi Gupta (25 points)

0 votes

1 answer

How many 4-digit numbers are there with no digit is repeated

asked Apr 3, 2017 by Arushi Gupta (25 points)

+1 vote

1 answer

What is the correct option and how?

asked Mar 28, 2017 in Physics by Tanya (20 points)

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