1!+2!+3!+..+50!=?
Options:
1. 3.1035*10^64
2. 2.1021*10^65
3. 3.1035*10^63
4. 3.1035*10^62??
How many natural no are there with 24 factors where 2,3 and 5 are the only prime factors??
How many 5 digit numbers that are multiple of 12 can be formed ,without the repetition of digits,by using the first 6 natural numbers.??
there are 5 parameters; faculty , books,online,support,tests on hich MBA coaching institutes are being evaluated. there are 100 coaching institues in all..... each institue fulfills at least one of the given criteria. the following additional info is given
Parameter faculty books online support tests
number of 34 28 40 37 18
institues fulfilling this
Q:-find the minimum number of institues which fulfill exactly 2 criteria?
Qfind the minimum numbe of insti...which fulfills exactly 1 criteria
Q find the maximum number of institues which.''''''''''''''''''''''''''''''''''''?
On their birthday, Ram and Shyam, a pair of twins, were gifted a large packet of chocolates, containing chocolates of four different flavours. They started eating the chocolates alternately, one chocolate at a time. What should be the minimum total number of chocolates that both of them together should have eaten before you can say that at least one of them has certainly eaten at least four chocolates of a single flavour?
how many numbers divide 2304 and 3888 leaving the same remainders??
30, 32, 45 , none
how many ordered triplets [a,b,c], satisfy (((a)^b)^c)=64, a,b,c, are positive integers??
6,7,8,9,10
Mocks for cat available for free or at an affordable rate????
Price
puyz will there be a limit to no. of rough sheets in cat?
If x and y are prime s.t x^2+7xy+y^2 is a perfect square .Find the values (x,y) can take?
any materials or websites for learning various graphs regarding quadratic equations..@sagarcat @psycho.munna @Nipun008 @pulkit_malik
How to find whether a no is a perfect square or not....pls explain
Dear readers,
This quiz consists of questions from various past papers of MBA entrance exams. Leave your answers/ responses in the comments section below and soon we'll let you know the correct answers!
1. The integers 1, 2, ..., 40 are written on a blackboard. The following operation is then repeated 39 times: In each repetition, any two numbers, say a and b, currently on the blackboard are erased and a new number a + b - 1 is written. What will be the number left on the board at the end?
(a) 820 (b) 821 (c) 781 (d) 819
2. What are the last two digits of 7^(2008)?
(a) 21 (b) 61 (c) 01 (d) 41
3. The number of common terms in the two sequences 17, 21, 25,..., 417 and 16, 21, 26,..., 466 is
(a) 78 (b) 19 (c) 20 (d) 77
4. The number of ways in which the digits of the number 125453752 can be arranged such that no two 5s come together is:
(a) 9! * 3! * 2! (b) 7! * 3! * 2! (c) 6! * 2! (d) None of these
5. How many integers, greater than 999 but not greater than 4000, can be formed with the digits 0, 1, 2, 3 and 4, if repetition of digits is allowed?
(a) 499 (b) 500 (c) 375 (d) 376
6. Consider obtuse-angled triangles with sides 8 cm, 15 cm and x cm. If x is an integer, then how many such triangles exist?
(a) 5 (b) 21 (c) 10 (d) 15
7. What is the number of distinct terms in the expansion of (a + b + c)^20?
(a) 231 (b) 253 (c) 242 (d) 210
8. There are n players in an elimination type singles tournament. How many matches must be played (or defaulted to determine the winner).
(a) n + 1 (b) n -1 (c) n - 2 (d) n + 2
9. P and Q are two positive integers such that PQ = 64. Which of the following cannot be the value of P + Q?
a. 20 b. 65 c. 16 d. 35
10. When n is divided by 4, the remainder is 3. What is the remainder when 2n is divided by 4?
(a) 1 (b) 2 (c) 3 (d) 6
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Answers
1(c) 2(c) 3(c) 4(d) 5(d) 6(c) 7(a) 8(b) 9(c) 10(b)
some one having any list of formulae can post it here..will be useful before D-Day..
A large cubical brick is manufactured by using 8 smaller and identical cubical bricks and bonding them with cement paste of uniform thickness. Cement is used for joining all the surfaces which need to be in contact. If cement forms 20% of the volume of the bigger brick, the ratio of the thickness of cement layer to the side of a smaller brick is?
When 40! is expressed in base 8 form, what is the last non-zero digit in the base 8 expansion? A.2. B.6. C.4. D.2 or 6
There is a button inside an elevator in a building having 20 floors, excluding ground floor. The elevator either goes 8 floors downward or 13 floors upward when the button is pressed, depending on the availability of enough floors to go up or down. A person has to go to the 8th floor from the 13th floor. What is the minimum number of times that he needs to press the button?
In an examination there were n subjects. When the results were declared, it was observed that 2n-p students failed in at least p subjects, where p is a natural number less than or equal to n. The number of subjects for each of the students in which he/she failed is counted and then all such numbers are added. If the aforementioned sum is 63, what is the number of subjects in the examination?
Strategy for CAT 15 ...
I am a bank po aspirant... so i knw cracking CAT is a distant dream....😲😲😲.
So plzzz guide me as to how i can score a min 70 percentile so that i can make my investmnt ( cat app fee) count..
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one unit of acid solution with a % concentration is mixed with two units of another acid solution with b% concentration to get a mixture with 40% concentration of acid. If it is known that a > b/2, then how many pairs of a and b exist such that both a and b are integers? In this question 'a' should not exceed 40% unlike the official IMS Simcat 10 solution where it is given that 'a' should not exceed 100% as we have taken (40-a)% while using allegation to derive the equation. Official Answer is 38. I think it should be 7. Someone please help with this doubt. Thanks a lot.