Exams


Q:

If 3x= 4y= 12, then z is equal to

A) xy B) x + y
C) xy/x+Y D) 4x +3y
 
Answer & Explanation Answer: C) xy/x+Y

Explanation:
Taking log of all 3 we get
xln3 = yln4 =
zln12 = k
z = k/ln12 = k / ln(
3*4) = k/ln3 + ln4 = k / (k/x +k/y) = xy / (x+y)
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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

1/(secA + tanA) is equal to

A) cosecA - cotA B) sinA - cosA
C) secA - tanA D) sinA + cosA
 
Answer & Explanation Answer: C) secA - tanA

Explanation:
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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
efg _ _ eff _ ghhe _ eff _ gggh _ h

A) eghhfe B) ghhhh
C) hegefh D) hgefhe
 
Answer & Explanation Answer: C) hegefh

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

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Q:

In the following question, select the missing number from the given series.
5, 13, 40, 104, ?

A) 229 B) 239
C) 259 D) 269
 
Answer & Explanation Answer: A) 229

Explanation:
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Filed Under: Number Series
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Q:

Which is the highest peak in Andaman and Nicobar islands?

A) Mount Koya B) Mount Diavolo
C) Saddle Peak D) Mount Thuiller
 
Answer & Explanation Answer: C) Saddle Peak

Explanation:
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Filed Under: Indian Geography
Exam Prep: Bank Exams

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Q:

Rearrange the parts of the sentence in correct order.
It is a crisis which
P-unless policymakers
Q-exercise some intelligence
R-will get even worse

A) RPQ B) RQP
C) PQR D) QPR
 
Answer & Explanation Answer: A) RPQ

Explanation:
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Filed Under: English
Exam Prep: Bank Exams

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Q:

In what time will a train, 60 metres long, running at the rate of 36 km/hr pass a telegraph post?

A) 9 seconds B) 8 seconds
C) 7 seconds D) 6 seconds
 
Answer & Explanation Answer: D) 6 seconds

Explanation:
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Filed Under: Problems on Trains
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Q:

If P=9, Q=17 then the value of p2-q2-13

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

Explanation:
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Filed Under: Simplification
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