Member • Sep 10, 2011

## Solutions to CrazyEngineers Mock Aptitude Test - 7

Answers

0

6993

699930 (Answer)

none of these

2. 3251+586+369-?= 3006

Answers

1250

1300

1375

1200 (Answer)

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 :

Answers

6 (Answer)

9

15

21

4. The HCF of 2923 & 3239 is :

Answers

37

47

73

79 (Answer)

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

Answers

53.6003

53.603

153.6003 (Answer)

213.0003

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

Answers

1/4

23/24

11/12

17/24 (Answer)

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

Answers

2 (Answer)

2.5

3

3.5

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

Answers

5/18

6/19 (Answer)

18/5

24/11

9. What is the square root of 0.16 ?

Answers

0.004

0.04

0.4 (Answer)

4

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

Answers

15

25

35

45 (Answer)

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

Answers

0

1

10

19 (Answer)

12. The average of first 50 natural numbers is :

Answers

12.25

21.25

25

25.5 (Answer)

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

Answers

35

36

45

54 (Answer)

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 :

Answers

2

3

4 (Answer)

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?

Answers

48 (Answer)

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

Answers

(8, 20, 28)

(16, 28,36) (Answer)

(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

Answers

1

10

121

1000 (Answer)

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

Answers

256

258 (Answer)

268

358

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

Answers

11/50

2/9 (Answer)

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 ?

Answers

15%

20%

25% (Answer)

30%

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

Answers

Rs 26.10

Rs 43

Rs 43.20

Rs 46.40 (Answer)

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

Answers

(55:77:66)

(30:42:77) (Answer)

(35:49:42)

none of these

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

Answers

22:29

26:61

29:22 (Answer)

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 :

110 (Answer)

182

56

20

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

Answers

100

117.5 (Answer)

101

97.5

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

Answers

4

6 (Answer)

5

8

27. The final value of x :

Answers

15

16

17

20 (Answer)

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

Answers

303 (Answer)

100

200

240

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

Answers

Monday

Tuesday (Answer)

Wednesday

Sunday

30. The last day of a century cannot be

Answers

Monday

Wednesday

Tuesday (Answer)

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

Answers

organ : pedal

oboe : reed

cymbal : sound

drum : drumstick (Answer)

32. STIFFNESS : RIGID

Answers

tangibility : rough

malleability : pliant

brittleness : soft

solidity : fluid (Answer)

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

DECREPIT

Answers

effete

sturdy (Answer)

superannuated

dilapidate

34. CRAVEN

Answers

intrepid (Answer)

coxcomb

fractious

complete

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

Answers

moil (Answer)

harry

hector

chafe

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

Answers

nougat

delicacy (Answer)

confectionery

sweetmeat

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

AUGURY

pigsty

cavalier

felony

omen (Answer)

38. OPALESCENT

Answers

stinky

nacreous (Answer)

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.

Answers

records

log (Answer)

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.

Answers

below

under (Answer)

before

given