Aptitude
Description: aptitude Time and WorkTime and DistanceProbabilityPermutation & Combination | |
Number of Questions: 15 | |
Created by: Sharvani Hegde | |
Tags: aptitude Time and Work Time and Distance Probability Permutation & Combination |
A can do a piece of work in 10 days and B can do the same work in 14 days. How long will they take if both of them work together?
A piece of work can be finished by 12 men in 12 days, whereas it takes 16 women 12 days to finish the same work. If 18 men and 8 women undertake the responsibility to complete the work, how many days will it take them to complete it?
A can do a work in 4 days. B completes the same work in 8 days. C takes as long as A and B would take if they worked together. How long will it take B and C to complete the work if they work together?
A pipe can fill a cistern in 8 hours. Due to a leak at its bottom, it is filled in 9 hours. When the cistern is full, in how much time will it be emptied by the leakage?
A man can row at the speed of 8 km/hr in still water. When the speed of the current in the river is 1.6 km/hr, it takes him 1 hour to row to a place and return back. How far is the place?
A man travels 140 km by ship, 600 km by rail and 40 km by horse, taking an overall time of 15 hours 30 minutes. The speed of the train is 3 times that of the horse and 11/2 times that of the ship. Find the speed of the train.
Two cyclists start from the same place to ride in the same direction. A starts at noon at the speed of 10 km/hr and B starts at 1:30 pm at the speed of 12 km/hr. How far will A have ridden before he is overtaken by B?
Two dice are thrown simultaneously. The probability of obtaining a total score of eight is
A boy walking at the speed of 15 km/hr reaches his school 18 minutes late. Next time, he walks at the speed of 20 km/hr and reaches his school 10 minutes late. Find the distance between his school and his house?
Aman has seven friends - four boys and three girls. In how many ways can Aman invite her friends, so that there are exactly three boys in the invitees?
The number of trees cut by 50 men in 8 hours is 70. If 10 men leave the job, then how many trees will be cut in 12 hours?
We have 4 boxes and each box is numbered 1, 2, 3 and 4. Each box has either a green or red ball in such a way that at least 1 box contains a red ball and the boxes containing red balls are numbered consecutively. Find the total number of ways in which it can be done.
A can do a piece of work in 18 days and B can do the same work in 24 days. They finished the work with the assistance of C in 6 days and got Rs. 51 as their wage. Find the share of B in the wage?
A reservoir can be filled by 4 pipes in 30, 40, 60 and 120 hours, respectively. The first was opened at 6 am, second was opened at 7 am, third was opened at 8 am and fourth was opened at 9 am. At what time will the reservoir be completely full?
Two trains of equal lengths are running on parallel tracks in the same direction at the speeds of 58 km/h and 48 km/h, respectively. The faster train passes the slower train in 54 sec. The length of each train is