**Directions(1-5):** What will come in the place of question mark “?” in the given questions.

- [45% of 6200 – 25*42] / 10 = ?
15511012090174Option E

[45% of 6200 – 25*42] / 10 = ?

=> [2790 – 1050]/10 = ?

=> ? = 174 - 28^2 * 3 – 12*25 – 1526 = ?
525526444480495Option B

28^2 * 3 – 12*25 – 1526 = ?

=>784* 3 – 300 – 1526 = ?

=> 2352 – 1826 = ?

=> ? = 526 - 44.11 * 11.88 + 27.87 * 16.13 – 272.33 = ?
700717689704699Option D

44.11 * 11.88 + 27.87 * 16.13 – 272.33 = ?

=>44*12 + 28*16 – 272 = ?

=> 528 + 448 – 272 = ?

=> ? = 704 - 14.03^2 + 13.11 *24.96 – 532.12 / 27.89 = ?
454502480500492Option B

14.03^2 + 13.11 *24.96 – 532.12 / 27.89 = ?

=> 14^2 + 13*25 – 532/28 = ?

=> 196 + 325 – 19 = ?

=> ? = 502 - 60.14% of 419.95 + 768.14 / 11.85 = ?
333350316325300Option C

60.14% of 419.95 + 768.14 / 11.85 = ?

=> 60% of 420 + 768 / 12 = ?

=> 252 + 64 = ?

=> ? = 316 - Find the speed of the Rajdhani Express? I.Length of Rajdhani Express is 250 m can cross a car running at the speed of 10m/s in the same direction in 25 seconds. II.Rajdhani Express can cross a platform of length (x+30)m in 25 seconds.
II alone is sufficient.Neither I nor II to find the answer.I alone is sufficient.Both are together necessary to find the answer.Either I or II to find the answer.Option C

From I.

250/(s-10) = 25

=> s = 20 m/s

I is alone sufficient.

From II.

{Length + (30+x)} = 25 * s

II alone is not sufficient. - A bag contains (x+2),(x+4) and (x+6) balls of three colours red, violet and pink resp. Find the total number of balls. I.The probability of drawing a red ball is (1/4). II. The probability of drawing a violet ball is (1/3).
Both are together necessary to find the answer.I alone is sufficient.Either I or II to find the answer.II alone is sufficient.Neither I nor II to find the answer.Option B

Total number of balls in the bag = 3(x+4)

From I. (x+2)/{3x+12} = ¼

=> x = 4

Total number of balls = 24 I alone is sufficient.

From II. (x+4)/{3x+12} = 1/3 => 1/3 = 1/3

II is not sufficient to answer. - Find the age of B after 6 years. I. 4 years hence, the ratio of age of A and B will be 4:5 resp. And age of C is 6 years more than the average present age of A and B taken together. II. Ratio of age of B 4 years ago and present age of C is 3:5 resp.
Either I or II to find the answer.II alone is sufficient.Neither I nor II to find the answer.Both are together necessary to find the answer.I alone is sufficient.Option D

From I.

Let ages of A and B after 4 years be 4x and 5x resp.

Age of C = [4x+5x-4-4]/(2+6) = (4.5x +2) years I alone is not sufficient.

From II.

II alone is also not sufficient to answer.

Combining I and II, (5x-8)/(4.5x+2) = 3/5

=> x = 4

Age of B after 6 years

= 5*4 – 4 + 6 = 22 years - There are five consecutive even numbers. Find the average of these five numbers. I.Second largest even number is 4 more than the second smallest even number. II. Largest even number is 40% more than the smallest even number.
Neither I nor II to find the answer.I alone is sufficient.Both are together necessary to find the answer.Either I or II to find the answer.II alone is sufficient.Option E

From I.

Let the consecutive even numbers be 2x , 2x+2, 2x+4, 2x+6 and 2x+8.

Now, 2x+6 – 2x- 2 = 4

Since, x is eliminated, so the average of the numbers cannot be determined.

I alone is not sufficient to calculate.

From II.

Let the consecutive even numbers be 2x , 2x+2, 2x+4, 2x+6 and 2x+8.

Now, 1.40*2x = 2x+8

=> x = 10

Hence, numbers are 20,24,26 and 28.

Average = 24

II alone is sufficient. - What is the time taken by train to travel from Delhi to Punjab. The distance between Delhi and Punjab is 270 km.

I.Time taken by train to cross a platform of length 350 m in 40 seconds.

II. Time taken by train to cross a man standing on platform is (50/3) seconds.I alone is sufficient.Both are together necessary to find the answer.Either I or II to find the answer.Neither I nor II to find the answer.II alone is sufficient.Option B

From I.

(Length + 350)/ speed = 40

I alone is not sufficient to answer.

From II.

Length/speed = 50/3

II alone is not sufficient.

Combining I and II, we get {50*speed}/3 + 350 = 40* speed

speed = 15m/s

speed = 15*18/5 = 54 km/hr.

Hence, required time = 270/54 = 5 hours