Q.26
The number 5775 is written 8000 times, side by side, thereby forming a 32000-digit number. What will be the remainder when this number is divided by 18? a 1 b 3 c 5 d 12
(I got the remainders from 2 and 9. How do we reach to remainder from 18 in such questions?)
---> probability
20. A Company has two Grids - Grid 1 and Grid 2. Out of 5 Directors and 4 General Managers of Grid 1, one person is transferred to Grid 2, which has 3 Directors and 7 General Managers. If one person is promoted from Grid 2, then what is the probability that this person is a director?
1) 3299 2) 𝟒𝟒𝟓 3) 𝟐𝟎𝟗𝟗 4) 𝟑𝟏𝟎 5) None of these
a file of soldiers one km long walking one behind the other at the uniform speed. an inspecting officer starts at the rear, moves forward at the rear, moves forward till he reached the front. then he starts back with the same speed till he reaches the last man at the rear. when he gets to the last man,the last man has reached exactly the spot where the man at the front was when the officer started his inspector. what is the distance traveled by the officer in this whole operation?
a+b+c is less than equal to 15,
where a, b, c are all less than equal to 6
then how many integral solutions of a,b,c are possible?
P.S. somehow pagalguy is not allowing me to post symbols, hence I had to resort to words.
how to calc coefficient of x^100 in (1+x^2+x^4.+......)(1+x^3+x^6+...)(1+x^5+x^10+...)
how to solve series 1/3+5/3^2+9/3^2...
Approach pls.
2A + 3B + 5C = 100 , find the number of non negative integral solutions of A,B,C
Does anyone have past CAT papers? It would be great if anyone can provide Time, CL etc mock papers.
Thanks in advance.
Approach please....
Please explain how to solve....
The answer is 256, but shouldnt it be 128?? In the solution it says we should avoid the information related to N.
x+y+z=48 and x pls explain..
3333^33
333^333
33^3333
3^33333.....which is greatest?
how to solve?
x+y+z=48 and
x
find no. of solutions?
pls explain approach?
Length and breadth of a rectangle are in the ratio 5: 3. If its perimeter is 840 m, what is the area of the rectangle? 1) 2400 sq m 2) 2000 sq m 3) 24,000 sq m 4) 16,000 sq m 5) None of these
What will be the length of the diagonal of that square plot whose area is equal to the area of a rectangular plot of length 45 m and breadth 40 m?
A thin copper wire is wound, uniformly and spirally, in a single layer, from the bottom to the top, around a cylindrical iron rod. The circumference of the iron rod is 2 cm. and its height is 56 cm. If the number of turns in the spirally wound copper wire is exactly 45, what is the length of the copper wire used?
Number of trees that could be planted in the world if all the trees are equidistant from each other??
Pls Share approach as well!
The cost of 17 apples, 13 bananas and 9 oranges is Rs.130, whereas the cost of 13 oranges, 7 apples and 10 bananas is Rs.100. Find the cost (in Rs.) of 1 apple, 1 banana and 1 orange put together.
(I always start by hit and trial which consumes a lot of time. A concrete approach needed).
How do I increase my medium difficulty level questions attempt and score, in easy level I am getting around 65-70% score and 12% in medium difficulty level . Please advice how can I increase my attempts in medium difficulty level questions.