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1 / 8
A' and 'B' complete a work togather in 8 days.If 'A' alone can do it in 12 days.Then how many day 'B' will take to complete the work?
A25 days
B24 days
C20 days
DNone of these
Answer: Option B
Explanation:A & B one day work = 1/8
A alone one day work = 1/12
B alone one day work = (1/8 - 1/12) = ( 3/24 - 2/24)
=> B one day work = 1/24
so B can complete the work in 24 days.
A = 12, A+B = 8, B = ?
Take LCM of A & A+B = 24.
So, A=12*2 = 24, A+B = 8*3 = 24, B = 1*24 = 24.
Answer: B = 24days.
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2 / 8
If A alone can do a piece of work in 8 days and B alone can do the same work in 12 days. How many days A and B required to finish the same work if they work togather?
A24/5 days
B24 days
C5day days
D5/24 days
ENone of these
Answer: Option A
Explanation:A alone one day work = 1/8
B alone one day work = 1/12
Both A and B one day work = (1/8 + 1/12) = (3/24 + 2/24)
= 5/24
so A and B together finish the work in 24/5 day
or 4 4/5 days.
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3 / 8
When a number is divided by 13, the remainder is 11. When the same number is divided by 17, then remainder is 9. What is the number ?
A339
B349
C369
DData inadequate
Answer: Option B
Explanation:x = 13p + 11 and x = 17q + 9
ShortCut By :: Sairam349
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4 / 8
A train running at the speed of 60 km/hr crosses a pole in 9 seconds. What is the length of the train?
A120 metres
B180 metres
C324 metres
D150 metres
Answer: Option D
Explanation:Length of the train = (Speed x Time) =50/3 x 9 m = 150 m.
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5 / 8
A can do a work in 10 days and B can do the same work in 15 days. So how many days they will take to finish the same work ?
A5 days
B7 days
C9 days
D6 days
Answer: Option D
Explanation:First find the 1 day work of both (A & B)
A 1 day's work = 1/10
and
B 1 day's work = 1/15
So (A + B) 1 day's work = (1/10+1/15)
= (3/30+2/30) = 5/30 = 1/6
So Both (A & B) together can finish work in 6 days
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6 / 8
Look at this series: 36, 34, 30, 28, 24, ... What number should come next?
A20
B22
C23
D26
Answer: Option B
Explanation:Here is no explanation for this answer
ShortCut By :: AkhilFor the first two numbers there is a difference of 2 and next two nos have difference of 4 and 2 and 4 repeat the procedure
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7 / 8
A can finish a piece work in 18 days and B can do the same work in half the time taken by A. So if they working together, what part of the same work can finished in a day?
A1/7
B1/6
C6
D5/6
Answer: Option B
Explanation:First find the 1 day work of both (A & B)
A's 1 day's work = 1/18
and
B's 1 day's work = 1/9 (B can do work in half time)
(A + B)'s 1 day's work = (1/18+1/9)
= (1+2)/18 = 3/18 = 1/6
so A & B together can do 1/6 of work in 1 day.
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8 / 8
Object-oriented programmers primarily focus on
Aprocedures to be performed
Bstep-by-step statements needed to solve a problem
Cobjects and the tasks that must be performed with those objects
Dphysical orientation of objects
Answer: Option C
Explanation:Here is no explanation for this answer
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