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rahul005 replied to Number System - Questions & Discussions
A = {3, 23, 43 ………… 603} and S is a subset of A. If the sum of no two elements of S is more than 606, then what can be the maximum possible number of elements in S?
ans..16.pls EXPLAIN
1 1
rahul005 replied to Number System - Questions & Discussions
The 38th term and the 88th term of an arithmetic progression are 301/25 and 903/25 respectively.If the total number of terms in the progression is 175, what is the ratio of the sum of the first 75 terms to the sum of the last 100 terms of the progression?
ans..1/6(pls show detailed sol.)
rahul005 replied to Number System - Questions & Discussions
correct...pls show detailed process.
rahul005 replied to Number System - Questions & Discussions
A natural number N has ‘k’ distinct prime factors. If the total number of factors of N is 72, then what is the product of all the possible values of k?
rahul005 replied to Number System - Questions & Discussions
10000! = (100!)K Ă— P, where P and K are integers. What can be the maximum value of K?
a)104b)103c)102d)105pls show detailed sol.
rahul005 replied to Number System - Questions & Discussions
18^2000+12^2000-5^2000-1 is divisible by
a)323
b)221
c)299.
pls show detailed sol.
rahul005 replied to Number System - Questions & Discussions
Find the number of three-digit numbers that can be expressed as the sum of four consecutive,five consecutive and seven consecutive positive integers.
1)9 2)10 3)11 4)14 5)6
pls show detaied sol
rahul005 replied to Quant by Arun Sharma
pls show detailed sol.
rahul005 replied to Quant by Arun Sharma
A school having 270 students provides facilities for playing four games Cricket, Football, Tennis and Badminton. There are a few students in the school who do not play any of the four games. It is known that for every student in the school who plays at least N games, there are two students who p...
rahul005 replied to Quant by Arun Sharma
A and B are stationed at two points Q and R respectively on a flowing river.The direction of flow of river is from Q to R.When A and B swim towards each other,they meet at P,which is at a distance of 20m from the point R.When A swims towards B and B swims away from A,they meet at S,which is at a...