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This page contains the most recently asked technical questions and answers in the Vembu technologies.

All of the questions listed below were collected by students recently placed at Vembu technologies.

**Ques:- A train 270 meters long is moving at a speed of 25 km/hr. It will cross a man coming from the opposite direction at a speed of 2 km per hour is**

**Ques:- Three sets of English, Mathematics and Science books containing 336, 240 and 96 books respectively have to be stacked in such a way that all the books are stored subject wise and the height of each stack is the same. Total number of stacks will be**

**Recent Answer**: :

14

**Ques:- X and Y invested in a business. They earned some profit which they divided in the ratio of 2 : 3. If X is invested Rs.40,000, the amount invested by Y is**

**Recent Answer**: :

d

**Ques:- Find out the wrong number in each sequence:**

36, 54, 18, 27, 9, 18.5, 4.5

36, 54, 18, 27, 9, 18.5, 4.5

**Recent Answer**: :

C

**Ques:- If a triangle has a base B and the altitude of the triangleis twice the base, then the area of the triangle is**

**Recent Answer**: :

A = (B*H)/2

H = 2B

formula becomes A = (B*2*B)/2

this can be rewritten as A = (2*B^2)/2

the 2 in the numerator and denominator cancel out and you get:

A = B^2

**Ques:- How many tangents can be drawn with in three circles if they do not lie with in each other**

**Recent Answer**: :

we can draw 12 tangents, 4 for 2 circles and 12 for 3

circles

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**Ques:- GENUINE opposite?**

**Recent Answer**: :

bogus, counterfeit, fake, false, illegitimate, sham, unreal

**Ques:- 2 hours after a freight train leaves Delhi a passenger train leaves the same station travelling in the same direction at an average speed of 16 km/hr. After travelling 4 hrs the passenger train overtakes the freight train. The average speed of the freight train was?**

**Recent Answer**: :

10.66 kmph

**Ques:- How you can decide a person attitude.By which way can you decide.**

**Ques:- Out of 80 coins, one is counterfeit. What is the minimum number of weighings needed to find out the counterfeit coin?**

**Recent Answer**: :

79

**Ques:- Give me an example of an assignment that you found difficult to finish? How did you go about it?**

**Ques:- The difference b/w the compound interest payble half yearly and the simple interest on a certain sum lent out at 10% p.a for 1 year is Rs 25. What is the sum?(a) Rs. 15000(b) Rs. 12000(c) Rs. 10000(d) none of these**

**Recent Answer**: :

A

**Ques:- HR round- tell be abt urself**

**Ques:- Which city is three fifth of China, two sixth of Canada and two third of Goa ?**

**Recent Answer**: :

Chi-ca-go

**Ques:- Present population of town is 35,000 having males and females. If The population of males is increased by 6% and if the population of females is increased by 4%, then after 1 year the population becomes 36,700. Find the number males and females ?**

**Ques:- There are 2 toy cars facing each other at a distance of 500 cm from each other. Then they moves forward by 100 cm at a speed of 50 cm/s and then moves backward by 50 cm at a speed of 25 cm/s. Evaluate the time of their collision.**

**Recent Answer**: :

9s

**Ques:- A bag contains equal number of Rs.5, Rs.2 and Re.1 coins. If the total amount in the bag is Rs.1152, find the number of coins of each kind?**

**Recent Answer**: :

144

**Ques:- Walking 7/6 of his usual rate, a boy reaches his school 4 min early. Find his usual time to reach the school?**

**Recent Answer**: :

Speed Ratio = 1:7/6 = 6:7

Time Ratio = 7:6

1 ——– 7

4 ——— ? 28 m

**Ques:- By selling 50 meters of cloth. I gain the selling price of 15 meters. Find the gain percent?**

**Ques:- In a round table conference six persons are participating, They are Andy, Bob, Charles, Douglas, Elena and Fred. Bob is sitting between Charles and Elena and is opposite to Andy. Douglas is sitting to the left of Elena. Who is sitting opposite to Douglas?**

**Recent Answer**: :

Answer: Option D

Explanation:

As Bob is sitting between Charles and Elena and Douglas is sitting to the left of Elena. We get the following arrangement.

Andy is opposite Bob. Therefore, the final arrangement is as follows.

Fred will be sitting right of Charles if each person interchange his/her place with the person sitting opposite them.

Recent Answer: Added by anonymous On 2022-03-09 16:38:02:270/(27*1000)*3600=36