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Anubhav

Questions (10)

How many integers 1≤N≤1000 can be written both as the sum of 26 consecutive integers and as the sum of 13 consecutive
1. 2 answers
2. 4,133 views
A 15 kg, 1m wide door which has frictionless hinges is closed but unlocked. A 400 g ball hits the exact middle of the door at a
1. 10 answers
2. 1,186 views
ABC is a triangle with a right angle atA.M and N are points on BC such that AM is the altitude, and AN is the angle bisector of
1. 3 answers
2. 453 views
An ant is walking along the cartesian plane. It starts at the point A=(−18,8) walks in a straight line to a point onthe
1. 1 answer
2. 1,027 views
ABCD is a square. P is a point within ABCD such that PA=1,PB=29 and PC=41. What is area of square ABCD ?
1. 4 answers
2. 521 views
Let f(x) be a polynomial such thatf(f(x))−x^2=xf(x). Find f(−100).
1. 2 answers
2. 388 views
x andy are positive values satisfying x+y=1/4 . When ln(y^2+4xy+7) attains its maximum(subject to the given constraint), what is
1. 1 answer
2. 470 views
How many positive integers n are there such that 10^n≤ n^10?
1. 1 answer
2. 377 views
What is the coefficient of x^4 in(x^2−x−2)^7?
1. 1 answer
2. 317 views
What is the coefficient of x^4 in(x^2−x−2)^7?
1. 1 answer
2. 358 views