Searching for "30"

Q:

G is twice as fast as S in doing work. If G can do a work in 30 days less than S, how many days will they take to complete the work together?

A) 25 B) 20
C) 22 D) 15
 
Answer & Explanation Answer: B) 20

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Filed Under: Time and Work
Exam Prep: Bank Exams

Q:

A train starts from a place A at 8:00 a.m. and arrives at another place B at 1:30 p.m. on the same day. If the speed of the train is 30 km/hr, then what will be the distance (in km) covered by the train?

 

A) 165 B) 175
C) 150 D) 135
 
Answer & Explanation Answer: A) 165

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Filed Under: Problems on Trains
Exam Prep: Bank Exams

Q:

7 litres mixture of milk and water contains 30% water. 3.5 litres of milk is added to this mixture. What is the percentage of water in the new mixture?

 

A) 10 B) 15
C) 20 D) 25
 
Answer & Explanation Answer: C) 20

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Filed Under: Alligation or Mixture
Exam Prep: Bank Exams

Q:

ΔPQR is right angled at Q. If m∠R=300, then find the value of (cosP - 1/3).

 

A) 1/6 B)  (2√2-1)/√2
C)  -1/√3 D)  (√3-4)/2√3
 
Answer & Explanation Answer: A) 1/6

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Filed Under: Area
Exam Prep: Bank Exams

Q:

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?

 

A) 15 B)  12
C) 18 D)  7
 
Answer & Explanation Answer: D)  7

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

Q:

If the value of θ = 30°, then the value of tan2θ + cot2θ.

 

A) 1/3 B) 4/3
C) 9/3 D) 10/3
 
Answer & Explanation Answer: D) 10/3

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Filed Under: Simplification
Exam Prep: Bank Exams

Q:

Select the odd figure one out the given series.

 

 

A) a B) d
C) c D) b
 
Answer & Explanation Answer: B) d

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

Q:

A can work twice as fast as B. A and C together can work three times as fast as B. if A,B and C complete a job in 30 days working together, in how many days can each of them complete the work.

 

A) 50,100,120 B) 60,120,120
C) 60,100,80 D) 40,80,100
 
Answer & Explanation Answer: B) 60,120,120

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Filed Under: Analytical Reasoning
Exam Prep: Bank Exams