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Book Math Questions and Answer Page 23

(#M40151547) BOOK QUESTION Aptitude Keep an EYE

Q:- The number of values of r satisfying the equation 39C3r-1 -39Cr^2=39Cr^2 -1 -39C3r is
a)1
b)2
c)3
d)4

Asked In Book Alekhya Vakulabharanam (10 years ago)

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Is this Puzzle helpful?   (4)   (2) Submit Your Solution Permutation and Combination

(#M40151476) BOOK QUESTION Keep an EYE

three boxes should be filled with odd numbers between 1 to 19 and the sum should be 30.we should use only adddition.

Asked In Book shaik shahabaaz ahmed (10 years ago)

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(#M40151436) BOOK QUESTION number series Keep an EYE

find the next number in this series
1,3,10,32,100,?

Asked In Book kishore (10 years ago)

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(#M40151435) BOOK QUESTION garden the plants Keep an EYE

a gardener plants his garden with 5550 trees and arranged them so that there is one plant more per row as there are rows then number of trees in a row is ?

Asked In Book kishore (10 years ago)

Solved Surit Datta Read Solution (1)

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(#M40151367) BOOK QUESTION Keep an EYE

9.2% is equal to one of how many? 11, since 11 x 9 = 99?

Asked In book (10 years ago)

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(#M40151344) BOOK QUESTION Keep an EYE

The tens digit of a two digit number is twice the units digit. If the digits are reversed, the new number is 36 less than the original number. Find the number.

Asked In Book rp (10 years ago)

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(#M40151324) BOOK QUESTION Keep an EYE

The process to solving the patial proportion

Asked In book (10 years ago)

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(#M40151291) BOOK QUESTION Number of stairs Keep an EYE

A and B walk up an excavator. The elevator (moving stairs) moves at a constant speed. A takes six steps for every 4 steps of B . A gets to the top of the elevator after having taken 50 steps. While B takes 40 steps to reach the top (because pace of B is slower than A). Now suppose elevator is turned off .how many stairs will they have to climb to get to the top.

Asked In Book Sagar Srivastava (10 years ago)

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(#M40151287) BOOK QUESTION Compound Interest Keep an EYE

on what sum of money will the compound interest for 2 years at 8% per annum be rs.3744

Asked In Book Antony Jeyaraj (10 years ago)

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(#M40151300) BOOK QUESTION Keep an EYE

If the system 2x-5y=1 and -3x+7y=-3 is to be solved by elimination of x, and the first equation is multiplied by 3, then by which number should the second equation be multiplied?
*I think that the answer is 2.Is this correct?

Asked In book (10 years ago)

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