Aptitude Skype Questions And Answers
Aptitude Skype Questions And Answers
1. Question: What are Natural Numbers ?
Answer: A Natural number is a whole number that we use for counting. They have an order that we learn when we are very young. one, two, three
Example: Sometimes called counting numbers are 1,2,3,4 and so on.
The numbers that we count with 1,2,3,4........................
2. Question: What are Even numbers ? Give example.
Answer: Any number that can be exactly divided by 2 is called as an even number. even numbers always end up with the last digit as 0,2,4,6 or 8
some examples of even numbers are 2,4,6,8,10,12,14,16
3. Question: What are Odd Numbers ? Give Examples.
Answer: A whole number that is not able to be divided two into two equal whole numbers.
Example: The numbers 1,3,5 and 7 are odd numbers.
4. Question: What are Prime Numbers ? Give Examples.
Answer: Prime numbers are those numbers which are divided for itself.
Prime numbers are the numbers that have only two factor, that are, 1 and the number itself.
For Example: 2,3,5,7, 11,13,17,19,23,29
5. Question: What are Composite Numbers ? Give Examples.
Answer: If simply say, a composite number is a number which is not prime. This means is a composite...
For Example: 4,6,8,9,10,12,14,15,16
6.Question: What are Fractions ? Give Examples:
Answer: A Fraction is called a proper fractions when the numerator is smaller than the denominator.
Example are: 1/3, 2/3, 2/5, 3/7, 5/9, etc
7. Question: Multiply 38.639×2.08.
Answer: 38.639
× 2.08
----------------
309112
00000
77278
-------------------
80.36912
Answer is : 80.36912
8. Question: Multiply 364×217.
Answer: 364
217
-------------------
2548
364
728
-------------------
78,988 Answer: 78,988
9. Question: Divide 2747÷ 16
Answer:
16| 2747 |171.6875
| 16 |
--------------------
114
112
---------------------
27
16
----------------------
110
96
-----------------------
140
128
------------------------
120
112
------------------------
80
80
-------------------------
0
Answer: 171.6875
10. Question: 12 Divide 5672÷24
Answer:
12÷5672/24 =5672×12/24
=68064/24
24 | 68064 |2836
|48 |
----------------------------
200
192
------------------------------
86
72
-------------------------------
144
144
-----------------------------
0
11. Question: These are a group of numbers say, 20, 21, 23, 22, 21, 20, 23. Find the average of these values.
Answer:
20+21+23+22+21+20+23
----------------------------------------------
7
= 150
---------
7
7 | 150 | 21.42857142857
| 14 |
-----------------
10
7
-----------------
30
28
---------------------
20
14
-------------------
60
56
-------------------
40
35
--------------------
50
49
---------------------
10
7
----------------------
30
28
------------------------
20
14
------------------------
60
56
-------------------------
40
35
--------------------------
50
49
---------------------------
0
Answer : 21.42857142857
12. Question: Find the average of 6, 13, 17, 21, 23
Answer:
6+13+17+21+23
---------------------------------
5
80
------------ = 16 5 | 80 | 16
5 | 5 |
-----------------------
30
30
-------------------------
0
Answer : 16
13. Question: Calculate average weight of a group of boys, if boy 1 weights 41 kg, boy weights 47 kg & boy 3 weights 44 kg.
Answer: 41+47+44 132
--------------------- = ---------- = 44
3 3
3 | 132 | 44
| 12 |
-----------------
12
12
------------------
0
Answer: 44
14. Question: What is a Proper fraction ? Give Examples.
Answer: A Fraction where the numerator ( the top number ) is less than the denominator ( the bottom number )
Example : 1/4, 2/3, 3/4, 2/5, 4/5 and 5/6 are Proper functions.
15. Question: Find the LCM.
a) 3 and 8. b) 4 and 5. c) 10 and 40
d) 10, 20 & 30 e) 7 and 9. f) 6 and 18
g) 5, 15, 25 & 35 h) 4 and 9
Answer: a) 3 and 8
3 |_3,_ 8_|
2 |_1,_8_|
2 |_1,_4_|
1, 2
LCM of 3×2×2×2= 24 (Answer)
Answer: b) 4 and 5
2 |_4,_5_|
2 |_2,_5_|
1 |_1,_5_|
1, 5
LCM of 2×2×5= 20 (Answer)
Answer: c) 10 and 40
2 |_10,_40_|
5 |__5,_20_|
1, 4
LCM of 2×5×4= 40 (Answer)
Answer: d) 10, 20 & 30
2 |_10,_20,_30_|
5 |__5,_10,_15_|
1, 2, 3
LCM of 2×5×2×3=60 ( Answer)
Answer: e) 7 and 9
7 |_7,_9_|
3 |_1,_9_|
1, 3
LCM of 7×3×3= 63 (Answer)
Answer: f) 6 and 18
2 |_6,_18_|
3 |_3,__9,_|
1, 3
LCM of 2×3×3=18 (Answer)
Answer: g) 5,15, 25 & 35
5 |_5,_15,_25,_35_|
1, 3, 5, 7,
LCM of 5×3×5×7=525 (Answer)
Answer: h) 4 and 9
2 |_4,_9,_|
2 |_2,_9,_|
3 |_1,_9,_|
1, 3
LCM of 2×2×3×3=36 (Answer)
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