• Ankita

MemberSep 10, 2011

## Solutions to CrazyEngineers Mock Aptitude Test - 7

1.The difference between the place value of two sevens in the numeral 69758472 is :

0
6993
none of these

2. 3251+586+369-?= 3006

1250
1300
1375

3. A number `ní is said to be perfect if some of all its divisors (excluding `ní itself) is equal to `ní. An example of perfect number is :

9
15
21

4. The HCF of 2923 & 3239 is :

37
47
73

5. If 47.2506 = 4A+7/B +2C+5/D+6E, then the value of 5A+3B +6C+D+3E is:

53.6003
53.603
213.0003

6. Which of the following fractions is less than 7/8 & greater than 1/3?

1/4
23/24
11/12

7. 1+1/2+1/4+1/7+1/14+1/28 = ?

2.5
3
3.5

8. If 1/3+1/2+1/x = 4, then x= ?

5/18
18/5
24/11

9. What is the square root of 0.16 ?

0.004
0.04
4

10. For what value of * in the statement (*/15) (*/135) = 1 is true?

15
25
35

11. The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?

0
1
10

12. The average of first 50 natural numbers is :

12.25
21.25
25

13. If one-third of one- fourth of a number is 15. Then three-tenth of that number is:

35
36
45

14. If doubling a number and adding 20 to the result gives the same answer as multiplying by 8 & taking away 4 from the product, the number is :

2
3
6

15. The ratio between present ages of Ram & Shyam is 5:7 respectively. If the difference between Shyam's present age & Ram's age after 6 years is 2, what is the total of Ram's & Shyam's present ages?

52
56
none of these

16. The present ages of three persons are in proportions 4:7:9. 8 years ago, the sum of their ages was 56. Find their present ages in years

(8, 20, 28)
(20,35,45)
none of these

17. If m & n are whole numbers such that mn = 121, then the value of (m-1)n?π is

1
10
121

18. 88% of 370 +24% of 210 - ? = 118

256
268
358

19. 5 out of 2250 parts of Earth is sulphur. What is the percentage of sulphur in Earth?

11/50
1/45
2/45

20. A shopkeeper sold an article for Rs. 2090.42. Approximately what will be the percentage profit if he sold that article for Rs. 2602.58 ?

15%
20%
30%

21. When a commodity is sold for Rs.34.80 ,there is loss of 2% .What is the cost price of the commodity?

Rs 26.10
Rs 43
Rs 43.20

22. If A :B=5:7 AND B:C=6:11 then A:B:C=?

(55:77:66)
(35:49:42)
none of these

23. If x:y =5:2, then (8x+9y) : (8x+2y) is

22:29
26:61
61:26

24. Directions for questions : 24 to 28 :

Refer to the following information (cycles)to answers the questions that follow.

Step 1 : Let x>1
Step 2 : x2 =25
Step 3 : y = x2 -x
Step 4 : z = 4x -3
Step 5 : t = (y+z)/2
Step 6 : If x< 18, Go to step 7, otherwise Go to step 9
Step 7 : x=x+3
Step 8 : Go to step 3
Step 9 : Stop

The value of y, after 3 cycles (step 3- step 6) is equal to :

182
56
20

25. The value of t , after 4 cycles is :

100
101
97.5

26. How many cycles are there before the sequence stops ?

4
5
8

27. The final value of x :

15
16
17

28. The highest difference between y and z in a cycle is :

100
200
240

29. January 1, 2007 was Monday. What day of the week lies on Jan,1 2008?

Monday
Wednesday
Sunday

30. The last day of a century cannot be

Monday
Wednesday
Friday

31. Each question has a pair of CAPITALIZED words followed by four or five pairs of words. Choose the pair of words which best expresses the relationship SIMILAR to that expressed in the capitalized pair.
GONG : HAMMER

organ : pedal
oboe : reed
cymbal : sound

32. STIFFNESS : RIGID

tangibility : rough
malleability : pliant
brittleness : soft

33. Choose the word exactly opposite in meaning to the question. :
DECREPIT

effete
superannuated
dilapidate

34. CRAVEN

coxcomb
fractious
complete

35. This question has four items. Select the item that does not belong to this group.

harry
hector
chafe

36. This question has four items. Select the item that does not belong to this group.

nougat
confectionery
sweetmeat

37. Choose the word/phrase exactly similar in meaning to the given CAPITALIZED word.

AUGURY

pigsty
cavalier
felony

38. OPALESCENT

stinky
veiled
mysterious

39. Choose the word that fills the maximum number of blanks.

A. The incident was entered in the ship's ......
B. Find the natural ..... of the number.
C. I slept like a .....
D. The timber company continued to ...... despite having been ordered to stop.

records
dog
work

40.A. He hid .... the bed.
B. Thousands of companies went ... during recession.
C. The work was completed .... very difficult conditions.
D. They are .... strict orders not to talk about their salaries or working conditions.

below
before
given
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Replies
• MemberSep 10, 2011

I was late because i though it was at 11 am 😔

Well i checked the questions and found that there were no questions on reasoning like puzzles, data sufficiency, syllogism, venn diagram etc. Most of the questions were from quant. I liked it but i think test should contain all types of questions..
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• MemberSep 10, 2011

Given the test for the first time. Now, I know what I need to improve- vocabulary :/
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The toppers for the test are:
1. CEan-Issue (33.99/40)
2. CEan- RajdeepCE (33.99/40)
3. CEan - Umesh Kelkar (30.99/40)
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• MemberSep 10, 2011

Can anyone post solution for Q3 please? 😀

A number `ní is said to be perfect if some of all its divisors (excluding `ní itself) is equal to `ní. An example of perfect number is :

9
15
21
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• MemberSep 11, 2011

6 is a perfect number as some of all its divisors is equal to the number- i.e. 6.

1+2+3=6 😀
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• MemberSep 11, 2011

Post solution for Q 17, please.
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• MemberSep 11, 2011

manashree
Post solution for Q 17, please.
Actually, I want solution for all. If any one can post.
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• MemberSep 11, 2011

17. If m & n are whole numbers such that m[SUP]n[/SUP] = 121, then the value of (m-1)[SUP]n+1[/SUP] is