Anybody here can help me out with the logic of this ques:-
Define a number K such that it is the sum of the squares of the first M natural numbers where M<55. How many values of M exist such that K is divisible by 4?
a.10
b.11
c.12
d.None of these
Answer :- c.) 12
How many ordered pairs of integers satisfy the eqn. 7/x -3/y = 1/4?
a.40 b.19 c.39 d.38
Need a serious thought from you all:
I will complete my 3 years of work exp in June'17.And I want to give the MBA exams this year too. My doubt is whether my 3+ yrs of work exp prove a hindrance in my admissions top 15-20 MBA institutes in India ?Do colleges like MDI,SP JAIN,FMS have people with 3+ years of work exp ?
please solve:
A transporter receives the same number of orders each day. Currently, he has some pending orders (backlog) to be shipped. If uses 7 trucks, then at the end of the 4th day he can clear all the orders. Alternatively, if he uses only 3 trucks, then all the orders are cleared at the end of the 10th day. What is the minimum number of trucks required so that there will be no pending order at the
end of the 5th day?
disha bought a clock and a pen for rs 1300. she sold pen at a profit of 20% whereas clock at a profit of 25%. her net profit is 231/3%. find cp of clock?
A and B have salaries that jointly amount to 10,000 per month. they spend the same amount monthly and then it is found that their saving is in the ratio of 6:1. Which of the following can be A's salary ?
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## basics##
What is the HCF of n,n+1,n+2 ?
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## mast waala ##
What is the sum of reciprocals of all the factors of 496 ?
Couldn't come up with its solution for Q30!!
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Any other way of doing other than forming equation Please help?
Approach for Q15 ??
Is there any another method to solve , instead of takin min and max value ?
Find x when following expression will have minimum value ?
|x - 1| + |2x - 1| + |3x - 1| + ....... + |100x - 1|
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## CAT IMPORTANT NUMBERS ##
1729 --- RAMANUJAN NUMBER (1000+729=1728+1= sum of two cubes)
1001---- abc *1001= abcabc (3digit number to 6 digit number)
7744 ----- the only square which has first two and last two digits are same
153= 1^3+5^3+3^3= 153---- armstrong number(sum of digits cubes = number)
145= 1!+4!+5!= = 145 -----( sum of the factorial of digits = number)
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Vipin is engaged in 2 transactions,where he earns same amount as profit in each case. He makes 25% profit in the 1st one one and 20% in the second transac. The overall profit % is 22.22%.The sale price in the overall transaction is?
average weight of a group changes by p if two person excluded from group but insted if two person added to group of same weight then average weight changes by p/3 what is the number of person in the group initially
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I know I am starting a bit late, but can any of you suggest me books I can get for quants? With proper examples and vast questions covering every topic?
And also best coaching centre in Bangalore?