Research Aptitude Test

Question 1
2 / -0.5

Two chairs (A and B) are in an empty room overnight. Chair A is made of steel, while chair B is made of wood. In the night and in the morning, the room ’s temperature is 290 K. In the morning, a person chooses between Chair A and Chair B as the seat by feeling (touching) the chair and choosing one which feels warmer. The person chooses__ (BLANK-1) _ as it feels warmer because _ (BLANK-2)___has__ (BLANK-3)______ (BLANK-4)____ than ___(BLANK-5)___.

Find the correct Answer for Blank 1

A
Chair B

B
Chair A

C
neither chair

D
Both the chairs

Question 2
2 / -0.5

If log 2 = 0.3010 and log 3 = 0.4771 then the value of log 4.5 is:

A
0.6532

B
0.7727

C
0.3266

D
None of these

Question 3
2 / -0.5

The value of is:

A
3

B
2

C
1

D
0

Question 4
2 / -0.5

If log x + log y = log(x+y), then:

A
x = y

B
xy = 1

C
y = (x-1)/x

D
y = x/(x-1)

Question 5
2 / -0.5

If a be the first term of a G.P., L the n^th term and P the product of first n terms then P =

A
(al)^n/2

B
(a-l)^n/2

C
(a+l)^n/2

D
None of these

Question 6
2 / -0.5

If 7 times the 7^thterm of an A.P. is equal to 11 times its, 11^thterm, then the 18^thterm of the A.P. is

A
1

B
2

C
0

D
3

Question 7
2 / -0.5

How many numbers of 3 digits can be formed with the digits 1, 2, 3, 4, 5 (repetition of digits not allowed)?

A
125

B
120

C
60

D
150

Question 8
2 / -0.5

Flow many numbers between 2000 and 3000 can be formed with the digits 0, 1, 2, 3, 4, 5, 6, 7 (repetition of digits not allowed)?

A
42

B
210

C
336

D
440

Question 9
2 / -0.5

In how many ways can a person send Invitation cards to 6 of his friends if he has four servants to distribute the cards?

A
6⁴

B
4⁶

C
24

D
None of these

Question 10
2 / -0.5

In how many ways can 7 Indians, 5 Pakistanis and 6 Dutch be seated in a row so that all persons of the same nationality sit together?

A
3!

B
7! 5! 6!

C
3! 7! 5! 6!

D
18!

Submit Test

Research Aptitu...

Question 1

Chair B

Chair A

neither chair

Both the chairs

Question 2

0.6532

0.7727

0.3266

None of these

Question 3

3

2

1

0

Question 4

x = y

xy = 1

y = (x-1)/x

y = x/(x-1)

Question 5

(al)n/2

(a-l)n/2

(a+l)n/2

None of these

Question 6

1

2

0

3

Question 7

125

120

60

150

Question 8

42

210

336

440

Question 9

64

46

24

None of these

Question 10

3!

7! 5! 6!

3! 7! 5! 6!

18!

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Question Analysis

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(al)^n/2

(a-l)^n/2

(a+l)^n/2

6⁴

4⁶