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Data Interpretation Questions And Answers Sample Test 2

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Data Interpretation Test 2

You have scored 3 out of 10
You Scored:2
Total Questions:2
Attended Questions:2
1. Find the area of the equilaterla triangle whose sides measure 12 cm

Explanation:

We know that ix x is the side of equilateral triangle, then area = sqrt(3) . (x^2) / 4 Area = sqrt(3) x 12 x 12 /4 = 36 sqrt(3)

2. Find the simple interest on Rs. 7200 at 5 % per annum for 9 months

Explanation:

Solution is
Given
Principal : 7200
Rate of interest : 5
Number of months : 9
Simple Interest for 1 year = (7200 x 1 x 5) / 100
Simple Interest for 1 year = 360
Simple interest is calculated for years,but given time period is in month son = 9 / 12
Simple interest for 9 months = (9/12) x SI =(3/4)x 360
Simple Interest for 9 months = 270

3. A person's salary was reduced by 20%. By what per cent should the salary be increased in order to obtain his original salary?

Explanation:

Let the person's original salary be 100 Salary reduced by 20 %, new salary = 80 Rs. To bring back the difference ie., 20Rs, the salary should be increased by (20/80) x 100 = 25 %

4. Drinking water supply to many parts of the town has been disrupted due to loss of water because of leakage in pipes supplying water.

Course of Action I : The Government should order an enquiry into the matter.

Course of Action II : The civic body should set up a-fact-finding team to assess the damage and take effective steps

Explanation:

Solution is
• The first course of action does not match the scale of the problem.
• The problem is not so big as to merit a government enquiry.
• It is enough that the civic body take action
• So only II follows

Refer the above piechart

5. The price of the book is marked 20% above the C.P. If the marked price of the book is Rs. 180, then what is the cost of the paper used in a single copy of the book?

Explanation:

Clearly, marked price of the book = 120% of C.P. Also, cost of paper = 25% of C.P Let the cost of paper for a single book be Rs. n. Then, 120 : 25 = 180 : n => n = Rs. ( 25 x 180 )/120 = Rs. 37.50 .

6. What input devices do you have to work with when you work in MS Word?

7. Which of the following menu types is also called a drop-down menu?

8. Programming language built into user programs such as Word and Excel are known as _______

9. Kavalam Narayana Panicker, who passed away recently, was a famous personality of which field?

10. Some pen are pencils
All pencils are notes
Statement I : Some pen are notes
Statement II : some notes are not pencils

Explanation:

Solution is:
Statement II is a negative consideration
So only I follows

11. Some trees are nuts
Some nuts are seeds
Statement I : Some trees are not seeds
Statement II: Some seeds are not nuts

Explanation:

Solution is:
• Relation between trees and seeds is not given in the question
• So I does not follows
• Given that some nuts are seeds , there is no negative relationship between nuts and seeds
• So II does not follows

12. How many liters of water should be added to a 30 liter mixture containing milk and water in the ratio 7:3 such that the resultant mixture has 40 % water in it

Explanation:

Solution is
Given
In 30 litres of mixture, milk and water ratio is7 : 3
Let m = milk ; w = water
=> m / w = 7 / 3 = 7x liters / 3x litres
=> 7x + 3x =30
=> 10x =30
=> x = 3
m= 7x litres = 21 litres
w= 3x litres = 9 litres
When we add x litres of water the resulting solution contains 21 litres of milk and (9+x) litres of water
Total quantity = 30 + x
Given , percentage of water in this new mixture =40%
i.e 40% of new mixture =water
=> 40/100(30 + x) =9 + x
=> (2/5) (30 + x) = (9 +x)
=> 2(30 + x) = 5 (9 +x)
=> 60 + 2x = 45 + 5x
=> 5x - 2x = 60 - 45 => 3x= 15 => x=5

Six friends A, B, C, D, E and F are sitting around the hexagonal table each at one corner. A is second to the left of F. B is the neighbour of C and D. E is second to the left of D.

13. Find the odd man out ?

Explanation:

Solution is
clearly it isBC

14. What can you conclude from the given statement :
All moon are stars

Explanation:

Solution is:

The Possible conclusions for this statements are
• All moon are stars
• Some moon are stars
• Some stars are moon

15. Most mail program automatically complete the following two parts in an e-mail ________

Refer this table

16. Total expenditure on all these items in 1998 was approximately what percent of the total expenditure in 2002?

Explanation:

Solution is
Required Percentage = (288+98+3+23.4+83 ) / (420+142+3.96+49.4+98 ) x 100
=(495.4 / 713.36) x 100 %
approx 69.45 %

17. URL stands for __________

18. In 2010, China became the third country in the world to possess an anti satellite weapon system. The other two countries are ________

19. Average of 13 results is 65. If the average of first six results is 61 and average of last six results is 59. Then find the seventh result?

Explanation:

Total = 13 x 65 = 845 Total of first six = 366 and total for last six = 354 Seventh result = total ? (total of first six + total for last six) = 845 - ( 366 + 354 ) = 125

Study the following information and answer the questions given.
When a word arrangement macine is given and input line of words, it arranges them following a particular rule. The following is an illustration of input and rearrangement.
Input : 13 done 34 nail 94 pen 29 ear 45 jam
Step 1 : 94 13 done 34 nail pen 29 ear 45 jam
Step 2 : 94 13 34 nail pen 29 ear 45 jam done
Step 3 : 94 45 13 34 nail pen 29 ear jam done
Step 4 : 94 45 13 34 nail pen 29 jam done ear
Step 5 : 94 45 34 13 nail pen 29 jam done ear
Step 6 : 94 45 34 13 nail pen 29 done ear jam
Step 7 : 94 45 34 29 13 nail pen done ear jam
Step 8 : 94 45 34 29 13 pen done ear jam nail
Step 9 : 94 45 34 29 13 done ear jam nail pen

20. Find the last word in Step 8?

21. The average weight of a class of 20 boys was calculated to be 58.4 kgs and it was later found that one weight was misread as 56 kg instead of 65 kg. What is the correct weight?

Explanation:

Actual total weight is (20X 58.4 - 56 + 65) = 1177 Kgs Actual average weight is 1177/20 = 58.85kgs

22. Find the simple interest on Rs. 200 at 7 % per annum for 4 years

Explanation:

Solution is
Given
Principal : 200
Rate of interest : 7
Number of years : 4
Simple Interest = pnr/100
Simple Interest = (200 x 4 x 7) / 100
Simple Interest = 56

23. A modem __________

24. Find the simple interest on Rs. 2400 at 10 % per annum for 7 months

Explanation:

Principal : 2400

Rate of interest : 10 %

Number of months : 7

Simple Interest for 1 year = (2400 x 1 x 10) / 100

Simple Interest for 1 year = 240

Simple interest for 7 months = (7/12) x SI

Simple Interest for 7 months = 140

25. Data that is copied from an application is stored in the ______________.

Six friends A, B, C, D, E and F are sitting around the hexagonal table each at one corner. A is second to the left of F. B is the neighbour of C and D. E is second to the left of D.

26. Which person is seated diagonally opposite to C ?

Explanation:

A C E B F D

27. When a bus started from the first stop, the number of male passengers to the number of female passengers was 3: 1. At the first stop, 16 passengers got down and 6 more female passengers got in. The ratio of the male to female passengers now became 2:1. What was the total number of passengers in the bus when it started from the first stop?

Explanation:

Solution is
Given , the ratio of number of male passengers to female passengers = 3 : 1
Let initially , number of males = 3x
number of females = x
Given ,at first stop, passengers got down = 16
female passengers got in = 6
At first stop , supposemmales andffemales got down from the bus =>m + f = 16
So at first stop , number of males = 3x - m
number of females = ( x - f ) + 6
Given , the ratio of male to female passengers (now)= 2 :1
(No. of male passengers) / (No. of female passengers) = 2 / 1
=> ( 3x - m ) / ( x - f ) + 6 = 2 / 1
=> 3x - m = 2 [ (x - f) + 6 ]
=> 3x - m = 2x - 2f + 12
=> 3x - 2x = m - 2f + 12 ( i.e m + f = 16 => m= 16 - f )
=> x = 16 - f - 2f + 12
=16 - 3f + 12
x = 28 - 3f
For f = 4,
x = 28 - 3 (4)
= 28 - 12
x = 16
Therefore total number of passengers in the beginning = No. of ( males + females )
= 3x + x
= 4x = 4 * 16
= 64
[ For no other value of f, any of the other alternatives holds good ]

28. All dogs are cats
All cats are rats
Statement I : Some dogs are rats
Statement II : Some dogs are cats

Explanation:

Solution is:

Statement I and II are positive considerations
SoBoth I and II follows

29. _____________ is the process of finding errors in software code

30. If a quarter kg of potato costs 60 paisa, how many paisa will 200gm cost ?

Explanation:

Quarter kg = 250 grams Less weight, less price (direct proportion) 250 : 200 :: 60 : x x = (200 x 60)/ 250 => x = 48 So 200 gm will cost 48 paisa

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