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(#M40008334) NTSE QUESTION ARITHMETIC PUZZLE Keep an EYE

9 years ago A's age and B's age were in the ratio of 5:7. Which of the following cannot be the ratio of their ages five years from now:
a) 11/13 b)13:19 c)21.25 d)15:16
Give explanation

Asked In NTSE Sanjana Patnaik (13 years ago)

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(#M40005674) NTSE QUESTION No. System Keep an EYE

Find all pairs(x,y) of real numbers such that
16^[(x^2)+y]+16^[x+(y^2)]=1

Asked In NTSE Sanjana Patnaik (13 years ago)

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(#M40003598) NTSE QUESTION Finding the shortest side of a triangle Keep an EYE

The length of the sides of a triangle are in integers and its area
>is also an integer. One side is 21 cm and the perimeter is 48 cm,
>then the length of the shortest side is :

Asked In NTSE Sanjana Patnaik (14 years ago)

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(#M40003640) NTSE QUESTION ARITHMETICAL REASONING Keep an EYE

A number of friends decided to go on a picnic and planned to spend Rs.960 on food. Four of them, however, did not turn up. As a consequence, the remaining ones had to contribute Rs.40 each extra. The number of those who attended the picnic was:

Asked In NTSE Sanjana Patnaik (13 years ago)

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(#M40003748) NTSE QUESTION HCF Keep an EYE

Given that sum of two numbers is xy and their difference is 1/7 of their sum.Find their HCF

Asked In NTSE Sanjana Patnaik (13 years ago)

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(#M40005172) MATHS OLYMPIAD QUESTION Miscellaneous Keep an EYE

Q. A palindrome is a positive integer that is the same when read forwards or backwards. Find the difference between the smallest three digit palindrome and the largest three digit palindrome

Asked In Maths Olympiad Sanjana Patnaik (13 years ago)

Solved Dr.Dipin Singh Read Solution (2)

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(#M40005173) MATHS OLYMPIAD QUESTION Miscellaneous Keep an EYE

Q. A and B Start from two places X and Y respectively, that are 60km apart. If A and B travel at uniform speed of 80km and 20km per hour respectively, and return back immediately to their respective places after reaching Y and X respectively, then how often and what distance from X, shall they meet.

Asked In Maths Olympiad Sanjana Patnaik (13 years ago)

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(#M40005175) MATHS OLYMPIAD QUESTION Miscellaneous Keep an EYE

Q. Find for how many positive integers n with n

Asked In Maths Olympiad Sanjana Patnaik (13 years ago)

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(#M40005178) MATHS OLYMPIAD QUESTION Miscellaneous Keep an EYE

Q. Begin with any two-digit positive integers and multiply the two digit together. If the result product in a two-digit number, then repeat the process. When this process is repeated, all two digit numbers will eventually become a single digit number. Once a product results in a single digit, the process stops.

a) Beginning with number 68, determine the no. of steps required for the process to stop
b)Determine all two digit numbers for which the process stops at 8 after 2 steps.
c) Determine all two digit no. for which the process stops at 4
d) Determine a two digit number for which the process stops after 4 steps

Asked In Maths Olympiad Sanjana Patnaik (13 years ago)

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(#M40003750) NTSE QUESTION HCF Keep an EYE

What is the HCF of (a-6),(a-8) and (a-8) and (a-10)

Asked In NTSE Sanjana Patnaik (13 years ago)

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