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Number Series
1,6,15,?,15,6,1Find the missing number in the series
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Motor Cycle Stunt
A motor cycle stunts man belonging to a fair, rides over the with vertical walls of a circular well at an average speed of 54 kph for 5 minutes. If the radius of the well is 5 meters then the distance travelled is :a) 2.5 kmsb) 3.5 kmsc) 4.5 kmsd) 5.5 kmse) None of the above
Mark Haynes
- Apr 17th, 2012
C) 4.5 kms
54 kilometers per hours = 54000 meters per hour
54000 meters / 60 minutes = 900 meters per minute
900 meters * 5 minutes of traveling time = 4500 meters travel
4500 meters = 4.5 kilometers traveled in 5 minutes -
Exhibition Entry Ticket
Entry ticket to an exhibition ranges from 1p to 7p. You need to provide exact change at the counter. You have 7p coin. In how many parts will you divide 7p so that you will provide the exact change required and carry as less coins as possible?a) 8 b) 7 c) 5 d) 3
Mark Haynes
- Apr 20th, 2012
D) 3
Divide the 7p into 1p, 2p, and 4p.
1p = 1p
2p = 2p
3p = 1p + 2p
4p = 4p
5p = 4p + 1p
6p = 4p + 2p
7p = 4p + 2p + 1p -
Form 8 Digit Numbers
Form 8 digit numbers by using 1,2,3,4,5 with repetition allowed and must be divisible by 4?
Mark Haynes
- Apr 20th, 2012
There are 78125 8 digit numbers form from the numbers 1, 2, 3, 4, and 5 that are evenly divisionable by 4. I think thats just a few too many than could be listed here.
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Time Issues
From 7:00 AM to 11:00 AM it rained 2.25 inches. At 11:00 AM the rain increased to fall at a rate of 1.25 in. every two hours. How many inches of rain landed on the ground by 5:00 PM?
a)7
b)9.75
c)6
d)3.25
e)7.125
Sandhya.Kishan
- May 26th, 2012
Answer is c)6
11AM - 5PM = 6 hrs
rain increased 1.25 every 2 hrs
3. 3*1.25 = 3.75
total rain = 2.25 + 3.75 = 6
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To print unique numbers eliminating duplicates from given array
Write a java code to print only unique numbers by eliminating duplicate numbers from the array? (using collection framework)
Sandhya.Kishan
- May 26th, 2012
import javax.swing.JOptionPane;
public static void main(String[] args) {
int[] array = new int[10];
for (int i=0; i -
Distance Between x and z Intercept
Determine the distance between x and z intercept of the plane whose eqn is 2x+9y-3z=18
Sandhya.Kishan
- May 26th, 2012
Sqrt of ((d/a)^2+(d/c)^2)
d=18 a=2 b=9 c=-3
(d/a)^2=81 (d/c)^2=36
Sqrt(81+36)=58.5 -
Minimum number of comparisons required
What is the minimum number of comparisons required to find the second smallest element in a 1000 element array?
Sandhya.Kishan
- May 26th, 2012
999 comparisons are required to find the second smallest element in an array.
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Area Problem
4 horses are tethered at 4 corners of a square plot of side 63 meters so that they just cannot reach one another. the area left ungrazed is (a)675.5 (b)780.6 (c)785.8 (d)850.5
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Quantity Aptitude Question
A mixture of 50 litres of milk and water contain 10% of water. How much water must be added to make water 20% in the given mixture?
karthik
- Nov 5th, 2012
100li
Mark Haynes
- Jan 10th, 2012
Praveen, Yes, that will work as well. I guess, part of the reason I expanded the equation so was to show fully how I was getting the result. The equation: "(50 + x) * 20 / 100 = 5 + x" is totally cor...
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Subject Marks
There are 5 Sub with equal high marks. Mark scored by a boy is 3:4:5:6:7 (Not sure). If his total aggregate if 3/5 of the total of the highest score, in how many subjects has he got more than 50%?
Tanvi
- Nov 17th, 2012
It is cleanly mentioned in question that he has scored 3 subjects
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What is the distance between that two poles?
There are two poles of equal height 15mts. One cable with length 16mts is hanging between that two poles. The height from center of the cable to earth is 7mts then what is the distance between that two poles?
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Winning Streak Average
1. In June a baseball team that played 60 games had won 30% of its game played. After a phenomenal winning streak this team raised its average to 50%. How many games must the team have won in a row to attain this average?A. 12B. 20C. 24D. 302. A student is ranked 13th from right and 8th from left. How many students are there in totality?3. Man walks east and turns right and then from there to his...
Kausar Neyaz
- Aug 10th, 2013
Ans: 24 matches. Put value to verify your answer.
priaaa
- Sep 13th, 2010
1. Total games-60Won matches=30% of 60 = 18Average raised to 50% ..,so if we calculate 50% of 60=30so in a row d team hs to win 30-18=12 matches.
Ans.122. 20 students.3. South east direction.
Guys do let me know if these are the correct answer.
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1/3+1/5+1/x=1/8 , find x
vidhyaraj
- Sep 19th, 2013
120/49
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Find Address of Array Element
In a two-dimensional array, X (9, 7), with each element occupying 4 bytes of memory, with the address of the first element X (1, 1) is 3000, find the address of X (8, 5).
Manasi Suthar
- Sep 9th, 2013
Ans:3212
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Lcm
LCM of x and y is 36 and HCF of x and y is 4. If x = 4 then which of the following is definitely not true?
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Speed
A man climbing a rock at 24 km/hr and downhill 36 km/hr. Determine avg speed?
Aptitude Interview Questions
Ans