[Official] Quant Thread for 2015!

which one is greater 4^1/4 or 44^1/44 ?

If k = 2.1! + 6.3! + 10.5! + 14.7! + 18.9! + 22.11! and n = 1! - 2.2! + 3.3! - 4.4! .... - 10.10!, then find the remainder when n + 23.11! is divided by k.

S is a set of all nine-digit numbers such that each digit is distinct and non-zero. If the numbers from S are arranged in ascending order, then find the (9! - 8! - 7! - 6!)thnumber in the ascending order.

There are two groups X and Y. Each group has people of three diff nationalities.

X: 10 Indians, 8 Americans, 7 Japanese

Y: 8 Indians, 6 Americans, 6 Japanese

 One of the groups is selected and two people are selected at random from that group.Both of them turn out to be Indians, what is the probability that they are from group X?

Approach please

a) 56/113 b) 57/103 c) 57/113 d) 57/123

Two motorcyclists, Ajay and Vijay, start simultaneously from a point S on an oval track and drive around the track in the same direction, with speeds of 29 km/hr and 19 km/hr respectively. Every time Ajay overtakes Vijay (anywhere on the track), both of them decrease their respective speeds by 1 km/hr. If the length of the track is 1 km, how many times do they meet at the starting point before Vijay comes to rest?

Dnt knw whats the OA...i got 1...

The answer sheet of 5 engineering students can be checked by any one of the 9 professors. What is the probability that all the 5 papers are checked by exactly 2 professors?

Kindly share the approach too.


Let N = 111...111(73 times). When N is divided by 259, the remainder is a, and when N is divided by 32, the remainder is b. Then a+b is equal to
A. 6
B. 8
C. 253
D. None of these.

on a straight line of length 10cm, 2 points A & B are selected. What is the probability that AB>4.

PS:- Need the explanation  @Going_High @lannister_tyrian @sagarcat 

S is a set of four-digit numbers formed using the digits 5, 6, 7 and 8 using each digit only once. M is a subset of S that contains numbers whose tens place digit is a prime number. What is the sum of all the numbers in M?

Rs 1.38 Crore Highest Salary: One Year MBA Beats PGP Hollow At IIM A 2015 Placements. Awesome yaar. Crazy good!

Where i can get the video lectures gor cat preparation

@scrabbler  : yeh Q dkhna zara. 


http://imgur.com/3OUrVwE

-4 include hga??

9.Find the remainder when 290 is divided by 91. a)90  b)1  c)64   d)27

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A boat travels 240 kms in round trip in 5hrs. The speed of the river is 2.5km/hr. If the speed is increased by 5km/hr then in how many hours will it make the trip?

Integers from 1 to 300 are written as 12345....300. Then the units digit of the 1st 2-digit no is erased and the tens digit of second 2 digit no is erased and so on i.e. 0 is erased from 10, 1 is erased from 11, 2 from 12, 1 from 13 and so on. Similarly units digit of 1st 3 digit no, tens digit of 2nd 3 digit no and hundreds digit of 3rd 3 digit no are erased and so on. Thus a no. N is formed. What is the remainder when N is divided by 9

If set A is given as A ≡ {4, 9, 14, ..., 194, 199}, then how many ordered pairs of numbers p and q (p and q are not necessarily distinct) exist such that both p and q are members of set A and the sum of p and q is at most 203?

CL MOCK QUES

A motorboat provides for regular transportation of passengers between point P to point Q, located on same side of river bank. If the motorboat doubles its speed in still water, then the trip from P to Q and back to P would take half of the time what it usually takes. Find the speed of the current  ? Any short method without making equations -
A ) 5 Km.hr

b) 3 Km/hr

C) 2 kM/hr

D) None of these

If x andy are integers such that |x| + 2|y| = 100, how many different values can the ordered pair (X, y) take?

How many way we can select 3 guys seated on 10 Seats such that atleast people in btw them