Ques:- A company contracts to paint 3 houses. Mr.Brown can paint a house in 6 days while Mr.Black would take 8 days and Mr.Blue 12 days. After 8 days Mr.Brown goes on vacation and Mr. Black begins to work for a period of 6 days. How many days will it take Mr.Blu to paint?
Recent Answer : Added by Emily Tilden On 2022-08-14 16:43:11:
Mr. Brown painted the first whole house in 6 days plus 1/3 of the second house in the next 2 days. Mr. Black can paint a whole house in 8 days and had 8 days to work, so he painted the equivalent of 1 whole house. That accounts for 2-1/3 houses painted. Mr. Blue only needs to paint 2/3 of the last house, so 2/3 times 12 days equals 8 days.
Ques:- Satheesh started a business investing Rs.60000. After 3 months, Sunil joined him with a capital of Rs.75000. After another 6 months, Subhash joined them with a capital of Rs.105000. At the end of the year, they made a profit of Rs.19000. Find the share of each.
A. Rs. 8000, Rs. 7500, Rs. 3500
B. Rs. 8000, Rs. 6500, Rs. 4500
C. Rs. 8500, Rs. 7000, Rs. 3500
D. Rs. 8500, Rs. 6500, Rs. 4000
Recent Answer : Added by Admin On 2022-09-25 04:07:47:
A. Rs. 8000, Rs. 7500, Rs. 3500
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Ques:- I participated in a race.1/5th of those who are before me are equal to 5/6th of those behind me. What were the total number of contestants in the race?
Ques:- A hare and a tortoise have a race along a circle of 100 yards diameter. The tortoise goes in one directionand the hare in the other. The hare starts after the tortoise has covered 1/5 of its distance and that too leisurely.The hare and tortoise meet when the hare has covered only 1/8 of the distance. By what factor should the hareincrease its speed so as to tie the race?
Recent Answer : Added by DK BOSS On 2021-07-30 16:27:01:
1/4, 1/8
4*8=32
32-4=28
28-8=20
28*20/(4^2)=35.00
Ques:- Find out the wrong number in the series:
789, 645, 545, 481, 440, 429, 425
A. 429
B. 440
C. 481
D. 645
Recent Answer : Added by narendra On 2022-09-18 09:01:36:
b
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Ques:- The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1. What is the age of the new student?
A. 5 years
B. 6 years
C. 7 years
D. 9 years
Recent Answer : Added by DK On 2022-03-09 16:28:54:
Correct option is C)
Let be students are consider as child
Let the age of child added later be x years.
average age of 12 children =20 years
∴ Total age of 12 children =20×12=240 years
After one more child is added-
Average of 13 children =20−1=19 years
Average age of 13 children =
13
sum of 12 children+x
19=
13
240+x
⇒240+x=247
⇒x=247−240=7 years
Hence the age of child added later is 7 years.
Ques:- Two years ago a man was 6 times as old as his son. After 18 years, he will be twice as old as his son. Their present ages ( in years) are
A. 31, 7
B. 32, 7
C. 34, 9
D. 36, 11
Recent Answer : Added by Hardik gupta On 2022-09-15 16:36:08:
32,7
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Ques:- In a hostel there were 100 students. To accommodate 20 more students the average is decreased by rupees 5. But total expenditure increased by Rs.400. Find the total expenditure of the hostel now?
Recent Answer : Added by DK BOSS On 2021-07-30 16:27:10:
Answer: 5400
Explanation:
100x + 400 = 12(x – 5)
x = 50
100 * 50 + 400 = 5400
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Ques:- Can you give me a list of five things that make you nervous?
Recent Answer : Added by DK BOSS On 2021-07-30 16:30:06:
Traffic Jams
Public Speaking
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Noises on an Airplane
Bees
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Ques:- One side of a rectangular field is 4 m and its length along diagonal is 5 m. What is the area of the field?
Recent Answer : Added by Aditya D On 2022-09-21 16:49:44:
area is given by Area of Rectangle = Length of Rectangle*(sqrt((Diagonal of Rectangle^2)-(Length of Rectangle^2)))
so substituting we get area=4*(sqrt((25-16)))
area=4*(sqrt(9))
since area cannot be negative hence we take sqrt of 9 as 3 (as sqrt of 9 is 3 and -3 as well)
area=4*3=12m^2
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Ques:- Three piles of chips–pile I consists one chip, pile II consists of chips, and pile III consists of three chips–are to be used in game played by Anita and Brinda.The game requires:a)That each player in turn take only one chip or all chips from just one pile.b)That the player who has to take the last chip loses.c)That Anita now have her turn.From which pile should Anita draw in order to win?
Recent Answer : Added by DK BOSS On 2021-07-15 08:27:51:
Answer: Pile II
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Ques:- There is a 5digit no. 3 pairs of sum is eleven each. Last digit is 3 times the first one. 3 rd digit is 3 less than the second. 4 th digit is 4 more than the second one. Find the digit.
Recent Answer : Added by Admin On 2020-05-17 11:59:40:
let first digit be ‘X’
then 5th digit is ‘3X’
let 2nd digit be ‘Y’
then 3rd digit is ‘Y-3’
and 4th digit is ‘Y+4’
then the no is ‘(X)(Y)(Y-3)(Y+4)(3X)’
from the above we can say 3X<=9
so X<=3 and any of the digit in the number is <=9
and also given that 3 pairs sum is 11...
so make trial and error..
if X=1...any of the no is 10 which is wrong trial....
if X=2...then let Y+4=9 ==> Y=5
then no is 25296
first pair 2+9=11
second pair 2+9=11
third pair 5+6=11
now the answer is 25296
Mr. Brown painted the first whole house in 6 days plus 1/3 of the second house in the next 2 days. Mr. Black can paint a whole house in 8 days and had 8 days to work, so he painted the equivalent of 1 whole house. That accounts for 2-1/3 houses painted. Mr. Blue only needs to paint 2/3 of the last house, so 2/3 times 12 days equals 8 days.