N balls are arranged in rows to form an equilateral triangles The first row consists of one ball the second

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Previous Question: PQRS is a parallelogram with coordinates P(5x, 2), Q(x2, 1), R(3, 3) and S(3, 4). What is the length of the longest diagonal of the parallelogram?OPTIONS 1.sqrt18 or sqrt493 2.6 or sqrt495 3.sqrt10 or sqrt495 4.sqrt10 or sqrt485 5.sqrt18 or sqrt485

1) 1
2) 2
3) 3
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Next Question: Given that a and b are real numbers and a=b+1,find the largest value of x that satisfies the inequality given below. [ (a)^1/2 -(b)^1/2 ] ^ { 1- (x)^(-1/2) } >= [ (a)^1/2 + (b)^1/2 ] ^ { (x)1/2+1 } ( x /=(not equal to) 0 ) note:- (sry frnds this has been mistakenly put into this section,otherwise its a ques of algebra)

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5) none of these

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n balls are arranged in rows to form an equilateral triangles. The first row consists of one ball, the second row two balls and so on. If one ball is added, then the resulting balls can be arranged in the form of a square, each side of it containing 4 balls less than that on a side of the triangle. Find the value of n.

1) 11
2) 15
3) 121
4) 120: Asked In MBA (11 years ago); Unsolved; Is this Puzzle helpful? (0) (1) Submit Your Solution

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Latest MBA Aptitude Question SOLUTION: n balls are arranged in rows to form an equilateral triangles. The first row consists of one ball, the second row two balls and so on. If one ball is added, then the resulting ball

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