Can any one explain pls.
Average marks of three sections A,B and C are 74,46 and 82 resp. If the avg marks of A and B is 58 and that of B and C is 66 what is the avg of all the three section?
A tank is filled by ‘n’ pipes numbered 1, 2, …, n. The rate of filling of the nth pipe is equal to twice the capacity of all remaining pipes put together. If the 21st pipe alone can fill the empty tank in 4 minutes, what is the time taken by the 18th pipe alone to fill the empty tank?
Help?
How many ways can a non decreasing function be plotted from A to B.if A has m and B has t elements
Easy question but the answer is not matching.
please provide the solution.
The number of negative terms in the expansion (2a + 3b − 4d)100 is ........
A question paper consists of four sections with six questions in each section. A candidate has to select three sections and has to answer 10 questions answering at least two from each of the selected sections. In how many ways can he answer the paper?
A convex polygon has 20 sides. Find the maximum number of acute angles that the polygon can have.
Remainder when 976^a is divided by 679 where a = 6^769
1. Three cities are connected in such a way that each city has at least one direct route to the other. If one wants to go from A to B, either a direct route (AB) or an indirect one (ACB) can be used. In total, there are 33 routes from A to B and 23 routes from B to C. How many indirect routes are there from A to C?
N consecutive integers (N>1) have a sum of 500. How many values can N take?
What is the Sum of infinite series 105+35 + 7 + 1 + 1/3+1/15+1/105 ........
A student wrote ten two-digit numbers on a blackboard. If he had interchanged the digits of each of the numbers and arranged the resulting numbers in ascending order, he would have found that any two adjacent numbers would have differed by 10. The average of the numbers written by him is 4.5 more than the average of the resulting numbers. Find the average of the digits of the greatest number he wrote.
no of ways of expressing 720 as sum of n consecutive integers n>1?
Anybody having IIFT GK materials want to share. We can have a talk.
Where does 8k+1 come from??
CAT 2015 actual question,
A flight starts from Bangalore at 7 am local time and reaches Dubai at 12:30 am local time. Another flight starts from Dubai at 3 pm local time and reaches Bangalore at 8:40 pm local time. Both flights travel at a constant speed of 800 km/hr. Find the distance between Bangalore and Dubai.
In a Table Tennis tournament, the number of male participants was twice the number of female participants. Each player played a match with each of the rest of the players exactly once. Each match involved exactly two players. No match ended in a draw. The number of matches won by the female players was equal to the number of matches won by the male players. Which of the following can be the total number of matches in which a male player defeated a female player?
When 5 identical inlet pipes and 4 identical outlet pipes operate together, an empty tank gets filled completely in 10 hours. It takes 30 hours for an inlet pipe to fill the empty tank completely. How much time (in hours) will an outlet pipe take to empty a tank the volume of which is half the volume of the aforementioned tank?
Three friends anil, bala and chetan, from X to town X to town Y which was 4o km. Anil who had a bike started along with bala while chetan started simultaneously on foot. After some time , anil dropped bala on the way and went back to pick up chetan while bala proceeded to Y on foot. Anil picked up chetan and reached Y at the same time as bala. Anil traveled at 50km/hr. The speed at which bala and chetan walked was 10 km /hr . 1-- find the time after which anil turned back