Latest MBA Aptitude Question SOLUTION: Find the number of divisors of 1080 excluding the throughout divisors, which are perfect squares?please post the answer anon..

1) 29
2) 28
3) 30
4) 31

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Previous Question: at a certain stationery store,only 4 varieties of pens and only 4 varieties of pencils are sold.the price of a set of one of each of the 4 varieties of pens is rupees 45.the price of a set of one of each of the 4 varieties of pencils is rupees 12.the price of cheapest pencil is rupee 1 and the combined price of 3 of the varieties of pens are exactly twice the combined price of the other 3 varieties of pencils.what is the price of the costliest variety of pen?pl. provide sol.

1) 24
2) 23
3) 22
4) 25
Next Question: A is the smallest integer which when multiplied with 3 gives a number made of 5’s only. Sum of the digits of A is B. Sum of the digits of B is C. What is the value of C3?1. 1252. 643. 216 4. 729

1) 1
2) 2
3) 3
4) 4

(#M40016761) MBA Numerical Ability question number systems, progressions Keep an EYE

Find the number of divisors of 1080 excluding the throughout divisors, which are perfect squares?please post the answer anon..

1) 29
2) 28
3) 30
4) 31

Asked In MBA (11 years ago)

Unsolved Read Solution (3)

Is this Puzzle helpful?   (11)   (5) Submit Your Solution Number System

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Read Solution (3) :

karan sharma  (11 years ago)

1080= 2^3 *3^3 *5
total divisors = 4*4*2= 32
square divisors = (2^0,2^2) (3^0,3^2) (5^0) [note: only these factors give rise to square factors] so 2*2*1=4;
non square divisors=total divisors-square divisors
32-4=28.

Is this solution Helpfull? Yes | No (1)  

vusthili nirmala  (11 years ago)

1080= 2^3 *3^3 *5
total divisors = 4*4*2= 32
square divisors = (2^0,2^2) (3^0,3^2) (5^0) [note: only these factors give rise to square factors] so 2*2*1=4;
non square divisors=total divisors-square divisors
32-4=28.

Is this solution Helpfull? Yes | No (1)  

Archit Agarwal  (8 years ago)

Can you guys please explain ...how you calculated total divisors???
i.e from where does this 4*4*2 came from???
please explain

Is this solution Helpfull? Yes | No   

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Previous Question: at a certain stationery store,only 4 varieties of pens and only 4 varieties of pencils are sold.the price of a set of one of each of the 4 varieties of pens is rupees 45.the price of a set of one of each of the 4 varieties of pencils is rupees 12.the price of cheapest pencil is rupee 1 and the combined price of 3 of the varieties of pens are exactly twice the combined price of the other 3 varieties of pencils.what is the price of the costliest variety of pen?pl. provide sol.

1) 24
2) 23
3) 22
4) 25
Next Question: A is the smallest integer which when multiplied with 3 gives a number made of 5’s only. Sum of the digits of A is B. Sum of the digits of B is C. What is the value of C3?1. 1252. 643. 216 4. 729

1) 1
2) 2
3) 3
4) 4

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