RRB NTPC 29 March 2016 Shift 1

For the following questions answer them individually

At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11:25 a.m, when will they next ring together?

Read and answer the following questions
The below table gives rice production in each year


For the following questions answer them individually

Read the following information and answer the following questions below.
Bindu is standing exactly in the middle of a line of girls.
Asha is $$6^{th}$$ to the left of Bindu and Ritu is $$16^{th}$$ to Bindu's right.

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Azhar can complete a journey in 10 hours. He travels the first half of the journey at a speed of 21 km/hr. and the balance at 24 km/hr. Find the total distance in km?

Smita can finish a work in 12 days and Sam can finish the same work in 9 days. After working together for 4 days they both leave the job. What is the fraction of unfinished work?

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts.  
Statements:
1) Some kids are clever.
2) Some kids are players.
Conclusion:
I. Some players are clever
II. Some clever kids are players.  

Decide which of the given conclusions logically follow (s) from the given statements.

Which of the following gases are responsible for the greenhouse gas effect on Earth?

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts.
Statements:
1) Because of motor vehicles like cars, pollution has increased manifold.
2) Respiratory diseases are increasing due to pollution.
Conclusions:
I. If cars were not there pollution would be nil
II Doctors earn a lot due to pollution.
Decide which of the given conclusions logically follow(s) from the given statements.

Sita told her friend Gita "I am leaving today and will reach Mumbai tomorrow for my exams starting the day after tomorrow, which is Friday". What day is tomorrow in this conversation?

Below are given statements followed by some conclusions. You have to take the given statements to be true even if they seem to be at variance with the commonly known facts.
Statements:
I. Health insurance in India caters only to rich
2. Health insurance sector should be regulated.
Conclusion :
I. Health insurance sector should be nationalized
II. Health insurance is not required for the poor.
Decide which of the given conclusions logically follow(s) from the given statements.

In an equilateral triangle ABC, D, E, F are the mid points of AB, BC and AC respectively. The quadrilateral BEFD is a

The ratio between the weights of gold and silver in an alloy is 17:3. If the weight of silver in the alloy is 2.7gm, find the weight of gold in the alloy?

Divide 13,680 in three parts such that $$1^{st}$$ part is 3/$$5^{th}$$ of the third part and the ratio between $$2^{nd}$$ and $$3^{rd}$$ part is 4:7. How much is the first part?

Read the following information and answer the following questions below.
In a class of 90 students, 80 students like burger or pizza. 62 like burger and 56 like pizza.

For the following questions answer them individually

The average age of 27 students of a class is 22. If the age of the teacher is also added to their ages, then the average increases by one. Find the age of the teacher.

The runs scored by two batsmen over 7 matches are given below. Which batsman's average was better?

A certain sum when invested at 5% interest compounded annually for 3 years yields an interest of Rs. 2,522. Find the Principal?

Ram and Rahim standing at a distance of 680m run towards each other at a speed of 8 m/sec and 9m/sec respectively. After how long will they meet?

If Reena sold 12 mobile phones for Rs. 188,160 which cost Rs. 14,056 per phone, what was the total profit made by her?

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