# National crime agency (nca) Interview Questions, Process, and Tips

Ques:- What type of roll
Ques:- What s the full form of GOOGLE and YAHOO?
Ques:- 125 liters of a mixture of milk and water contains in the ratio 3:2. How much water should now be added so that the ratio of milk and water becomes 3:4?

Let water and milk be in x quantity
3x+2x=125
5x=125
x=25
Milk=3x=75litre
Water=2x=50litre
2x=50litre
4x=100litre

So 50 litre more should be added so that the ratio becomes 3:4

Ques:- The C.I. on a certain sum for 2 years Rs.41 and the simple interest is Rs.40. What is the rate percent?
Ques:- Three birds cross a point in a same st. line and of that 2 fly in opposite directions. If a triangle is formed with the position of the birds what kind of the triangle will be formed? a)isosceles b)right angle c)equilateral d)right angle and isosceles.

ans is a

Ques:- A is twice as good a work man as B and together they finish the work in 14 days. In how many days A alone can finish the work?
Ques:- How is my mother’s mother’s only son-in-law’s sister related to me ?

Father’s sister

Ques:- Kailash remembers that his brother Deepak’s birthday falls after 20th May but before 28th May, while Geetha remembers that Deepak’s birthday falls before 22nd May but after 12th May. On what date Deepak’s birthday falls?

May 21

Ques:- Whom would you pick as a leader icon and why?
Ques:- A cube of side 4cm is painted with colors red,blue,green in such a way that opposite sides are painted in the same colour . this cube is now cut into 64 cubes of equal size .then 1) how many have atleast two sides painted in different colours.2) how many cubes have only one side painted.3) how many cubes have no side painted4) how many have exactly one side not painted.
Ques:- A man ate 100 bananas in five days, each day eating 6 more than the previous day. How many bananas did he eat on the first day?

Let the person ate x banana on first day, so below is the equation for five days
X+x+6+x+12+x+18+x+24=100
So, he ate 8 banana first day

Ques:- If you'll be given a super power what it would be? and why?
Ques:- You have a bag of with ‘N’ number of strings. At random, you pull out a string’s end.You pull out another string end and you tie the two together.You repeat this until there are no loose ends left to pull out of the bag.What is the expected number of loops?
Ques:- What is the difference between aim & objectives?
Ques:- Tell us when in past you were able to demonstrate your leadership skills.
Ques:- What is the GDP growth of India?
Ques:- Do u know how to speak English with American accent?
Ques:- What is your career aspect???
Ques:- A train crosses a pole in 9 seconds at the speed of 60 km/hr ?Evaluate the lengthy of the train?

150 m

Ques:- A train 240 m long passed a pole in 24 seconds. How long will it take to pass a platform 650 m long?
A. 65 sec
B. 79 sec
C. 89 sec
D. 99 sec

240-24
650-?
?=24*650/240
65SEC

Ques:- Do you take yourself to be successful?
Ques:- A boy has Rs 2. He wins or loses Re 1 at a time If he wins he gets Re 1 and if he loses the game he loses Re 1. He can loose only 5 times. He is out of the game if he earns Rs 5. Find the number of ways in which this is possible?

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0L -> 1 way
1L -> 3 ways
2L -> 7 ways
3L -> 4 ways
4L -> 1 way
total 16 ways

Ques:- fridge cost R Rs,cover value is 5,discount d% then its new cost?

R-R*d/100-5(1-d/100)

Ques:- Give an instance in your life in which you were faced with a problem and you tackled it successfully.