Ques:- Why there are so many job changes in your career
Ques:- How you are fit for this job?
Ques:- A man rows to a place 48 km distant and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is:
Ques:- Find the missing number of the series. 0.5, 0.55, 0.65, 0.8, ..
Recent Answer : :
ANSWER is ==> 1
1st step : 0.5
2nd step : 0.5+0.05 = 0.55
3rd step : 0.55+0.10 = 0.65
4th step : 0.65+0.15 = 0.8
5th step : 0.80+0.20 = 1.00
Ques:- I completed side course from PGDCA, SISI institute in saidapet
Ques:- What do you worry about?
Ques:- What do you think about Indo-Afghanistan relations?
Ques:- When will you join our company?
Ques:- Introduce yourself with family and educational background
Ques:- Why did u choose testing why not developing.
Ques:- A, B, C, D, E and F are six members of a family. A is the mother of B, who is the husband of D. F is the brother of one of the parents of C. D is the daughter-in-law of E and has no siblings. C is the son of D. How is C related to A?
Recent Answer : :
C is grand child of A
Ques:- Which is the biggest mistake of your life and what did you learn from that?
Ques:- Excluding stoppages, the speed of a bus is 54 kmph and including stoppages it is 45 kmph. For how many minutes does the bus stop per hour?
Ques:- A train travelling at a speed of 90 km/hr, crosses a pole in 10 seconds. The length of the train is
A. 100 m
B. 150 m
C. 250 m
D. 900 m
Recent Answer : :
Train speed 90 km /h
1st we have to change in m/s. then 90*5/18=25m/s
Then d=speed*time
=25*10=250m train length
Ques:- About me, about my subject and my future planning
Ques:- Insert the missing number:
8, 7, 11, 12, 14, 17, 17, 22, (…..)
8, 7, 11, 12, 14, 17, 17, 22, (…..)
A. 20
B. 22
C. 24
D. 27
Recent Answer : :
20
Ques:- What is your area of interest?
Ques:- A, B, C hired a car for Rs.520 and used it for 7, 8 and 11 hours respectively. Hire charges paid by B were
A. Rs. 140
B. Rs. 150
C. Rs. 160
D. Rs. 180
Recent Answer : :
A. Rs 140
7+8+11=26
B: 7/26*520= 140
Ques:- Give me an instance of when you finished very critical task
Ques:- Can you explain why should we select you fromthe number of applications we have received?
Ques:- Three partners A, B, C start a business. Twice A’s capital is equal to thrice B’s capital and B’s capital is four times C’s capital. Out of a total profit of Rs.16,500 at the end of the year B’s share is
A. Rs. 4000
B. Rs. 5000
C. Rs. 6000
D. Rs. 6600
Recent Answer : :
C. Rs. 6000
Ques:- What is the future of NOC Engineers?
Ques:- If the list price of a book is reduced by Rs. 5, then a person can buy 5 more books for Rs. 300. The original cost of the book is?
Recent Answer : :
20- buy 15 books
15- buy 20 books
Original price is 20.
Ques:- How you arrange these thing- family, money, fame, loyality
Ques:- Two trains travel from NewYork to Washington and the travel takes 5 hours journey time.Trains leave from Washington for every hour and an half hour and the trains leave from NewYork every hour. If the train leaves from new york , Then how many trainsfrom washington cross this train on its way?
Recent Answer : :
5 trains
Ques:- 15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take to do the same. If 3 women do as much work as 2 men?
Ques:- Evaluate the area of square field whose side of length is 15 m?
Recent Answer : :
225
Ques:- Draw three concentric circles with a line passing through their centers without lifting your hand.
Ques:- 2003 * 2004 – 2001 * 2002 = ?
Ques:- A dishonest dealer professes to sell goods at the cost price but uses a false weight and gains 25%. Find his false weight age?
Hint: Assume that the speed of the stream is x and the speed of the boat in still water is x. From the statement of the question form two equations in two variables x and y. This system is reducible to linear equations in two variables. Reduce the system to a system of linear equations in two variables by proper substitutions. Solve the system of equations using any one of the methods like Substitution method, elimination method, graphical method or using matrices. Hence find the value of x satisfying both the equation. The value of x will be the speed of the stream.
Complete step-by-step answer:
Let the speed of the stream be x, and the speed of the boat in still water be y.
We have the speed of the boat upstream = y-x.
Speed of the boat downstream = y+ x.
Now since it takes 14 hours to reach a place at a distance of 48 km and come back, we have the sum of the times taken to reach the place downstream and time taken to return back upstream is equal to 14.
Now, we know that time =Distance speed
Using, we get
Time taken to reach the place =48y+x and the time taken to return back =48y−x.
Hence, we have
48y+x+48y−x=14
Dividing both sides by 2, we get
24y+x+24y−x=7 —–(i)
Also, the time taken to cover 4km downstream is equal to the time taken to cover 3km upstream.
Hence, we have 4y+x=3y−x
Transposing the term on RHS to LHS, we get
4y+x−3y−x=0 ——– (ii)
Put 1y+x=t and 1y−x=u, we have
24t+24u=7 ——-(iii)4t−3u=0 ——–(iv)
Multiplying equation (iv) by 6 and subtracting from equation (iii), we get
24t−24t+24u+18u=7⇒42u=7
Dividing both sides by 42, we get
u=742=16
Substituting the value of u in equation (iv), we get
4t−3(16)=0⇒4t−12=0
Adding 12 on both sides, we get
4t=12
Dividing both sides by 4, we get
t=18
Reverting to original variables, we have
1y+x=18 and 1y−x=16
Taking reciprocals on both sides in both equations, we have
y+ x=8 ——- (v)y−x=6 ——–(vi)
Adding equation (v) and equation (vi), we get
2y=14
Dividing both sides by 2, we get
y=7.
Substituting the value of y in equation (v), we get
7+x=8
Subtracting 7 from both sides we get
x = 8-7 =1
Hence the speed of the stream is 1 km/hr.