Free Practice Questions for Competitive Exams, Interviews, Certifications

Q:

A train of length 250 m crosses a bridge of length 150m in 20 seconds. What is the speed of train?

Answer

Sol : (length of train+ length of bridge) = speed of train x Time

(250+150) = 20 x Speed

Speed = 400/20= 20 m/s =72 km/h

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Subject: Time and Distance

8 9602

Q:

Which of the following has most number of divisors?

A) 99	B) 101
C) 176	D) 182

Answer & Explanation Answer: C) 176

Explanation:

99 = 1 x 3 x 3 x 11

101= 1 x 101

176= 1 x 2x 2 x 2 x 2 x 11

182= 1 x 2 x 7 x 13

So, divisors of 99 are 1, 3, 9, 11, 33, 99

divisors of 101 are 1,101

divisors of 176 are 1, 2, 4, 8, 16, 22, 44, 88, 176

divisors of 182 are 1, 2, 7, 13, 14, 26, 91, 182

Hence , 176 hasthe most number of divisors.

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Filed Under: HCF and LCM

8 6955

Q:

What is SQL*Plus? Explain its features

Answer

SQL*plus allows SQL and PL/SQL scripts to interactively run in command line.

It allows three kinds of commands to run; SQL, PL/SQL and SQL * Plus commands. It’s most commonly used by DBA’s to interact with the oracle database.

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Subject: Oracle

8 6776

Q:

The sum of the present ages of two cousins is 46 years. Eight years ago, the elder one was twice as old as the younger one. What is the present age of the elder cousin?

A) 22 yrs	B) 30 yrs
C) 28 yrs	D) 26 yrs

Answer & Explanation Answer: C) 28 yrs

Explanation:

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Filed Under: Problems on Ages
Exam Prep: Bank Exams

8 898

Q:

If L : M = 3 : 5 and M : N = 2 : 3, then N : L = ?

A) 2:1	B) 5:2
C) 3:2	D) 1:2

Answer & Explanation Answer: B) 5:2

Explanation:

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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

8 1128

Q:

Which set of letters when sequentially placed at the gaps in the given letter series shall complete it?

j_l_jk_m_kl_

A) jkljm	B) kmjjj
C) kmljm	D) mkjlm

Answer & Explanation Answer: C) kmljm

Explanation:

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Filed Under: Inserting The Missing Character
Exam Prep: Bank Exams

8 771

Q:

Find the LCM of 0.63, 10.5, 2.1, 4.20

A) 63	B) 0.63
C) 6.30	D) 6300

Answer & Explanation Answer: A) 63

Explanation:

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Filed Under: HCF and LCM
Exam Prep: Bank Exams

8 1084

Q:

Which one of the pairs of folk-dance and state is NOT matched?

A) Jhumar - Haryana	B) Tamasha - Maharashtra
C) Kajri - Uttar Pradesh	D) Baul - West Bengal

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