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The number of 7 digit numbers that can be formed using digits 1,2,3,5 and 7 such that each digit is used atleast once is #jee main 2026 pyq #permutation and combination

Let x and y be real number such that 50 (2x/1+3i-y/1-2i)=31+17i,i=root-1 then value of 10(x-3y) is

Let A be the set of first 101 terms of an A.P whose first term is 1 and the common difference is 5 and let B be the set of first 71 terms of an A.P whose first term is 9 and the common difference is 7. Then the number of elements , which are divisible by

Nda1,2026 question eng dubbed. If A and B are two acute angles such that 2A+2B=pi .maximum value of sinA.cosB

Let k be the area between the curve y= sinx and x-axis in the interval [0,pi/4] (i) what is the area between the curves y=sin x and the x -axis in the interval [pi/4,Pi/2]

Maximum point of intersection of 5 circles

A set S contains (2n+1) element. If the number of subsets of S which contain at most n elements 1024

In an entrance test there are multiple choice questions, there are four options for each question, of which only one is correct. The probability that a student knows the answer of a question is 90%. If he gets the correct answer to a question, then what i

How to convert simple number to binary number(001,0101100 etc form)

let e ki power Y ki power x minus Y is equal to 0 where why is the function of X whose domain is 0 10 what is DY by DX equal to what divided by DX equal to given that Y is equal to Y not when x is equal to 1

Consider the curves y =x² and y=2|x|, what is the number of points of intersection of the curves,

For a given k , what is the minimum value of x²+kx+k²