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Anoop sells a book to Mayank at a profit of 20% and Mayank sells this book to Siddharth at a profit of 25%. Now Siddharth sells this book at a loss of 10% to Shishir. At what percentage loss should Shishir sells this book now so that his SP becomes equal to Anoop’s CP?

Correct

Answer: 2.25.92% Explanation:

Incorrect

Answer: 2.25.92% Explanation:

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

Two places P and Q are 92 km apart. A train leaves P for Q and at the same time another train leaves Q for P. Both the trains meet 4 hrs after they start moving. If the train travelling from P to Q travels 7 km/hr faster than the other train, find the speed of the two trains.

Correct

Answer : 1.15 km/hr, 8 km/hr Explanation:

Incorrect

Answer : 1.15 km/hr, 8 km/hr Explanation:

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

A man, while driving to his office, finds three traffic signals on his way. The probability that the traffic light is red when he reaches the first, second and third traffic signal is 5/8, 5/6, 3/5 respectively. What is the probability that he finds at least one traffic light on his way which is not red?

Correct

Answer : 2.11/16 Explanation
Probability that the man finds all three traffic lights red=5/8 * 5/6 * 3/5 = 5/16
Probability that he finds at least one light which is not red = 1-5/16 = 11/16

Incorrect

Answer : 2.11/16 Explanation
Probability that the man finds all three traffic lights red=5/8 * 5/6 * 3/5 = 5/16
Probability that he finds at least one light which is not red = 1-5/16 = 11/16

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

If the base of a pyramid is square and its side is 4√2 cm and slant height of pyramid is 5 cm, find the volume of pyramid.

Correct

Answer: 4.32 cm³ Explanation
l=slant height=5 cm; h=height; side=4√2 cm
l^{2} = h^{2} + [(side*√2)/2]^{2}
Note: The content inside bracket is the calculation for half of the diagonal of the square.
h= 3 cm
Volume= 1/3 * Area of base * h
=1/3 * 32 * 3= 32

Incorrect

Answer: 4.32 cm³ Explanation
l=slant height=5 cm; h=height; side=4√2 cm
l^{2} = h^{2} + [(side*√2)/2]^{2}
Note: The content inside bracket is the calculation for half of the diagonal of the square.
h= 3 cm
Volume= 1/3 * Area of base * h
=1/3 * 32 * 3= 32

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

A man rows to a certain place and comes back, but by mistake he covers 1/3rd more distance while coming back. The total time for this journey is 10 hours. The ratio of speed of boat to that of stream is 2: 1. If the difference between upstream and downstream speed is 12km/hr, then how much time will the man take to reach to starting point from his present position?

Correct

Answer: 4.40 minutes Explanation
Speed of boat and stream – 2x and x respectively. So downstream speed = 2x+x = 3x, and upstream speed = 2x-x = x
Let total distance between points is d km
So, he covered d km downstream, and while coming back i.e. upstream he covers d + 1/3 *d = 4d/3 km
Total time for this journey is 10 hrs. So
d/3x + (4d/3)/x = 10
Solve, d = 6x
Now also given, that (2x+x) – (2x-x) = 12
Solve, x = 6
So, d = 36 km
So, to come to original point, he will have to cover 1/3 * 36 = 12 km
And with speed 3x = 18 km/hr(downstream)
So, time is 12/18 * 60 = 40 minutes

Incorrect

Answer: 4.40 minutes Explanation
Speed of boat and stream – 2x and x respectively. So downstream speed = 2x+x = 3x, and upstream speed = 2x-x = x
Let total distance between points is d km
So, he covered d km downstream, and while coming back i.e. upstream he covers d + 1/3 *d = 4d/3 km
Total time for this journey is 10 hrs. So
d/3x + (4d/3)/x = 10
Solve, d = 6x
Now also given, that (2x+x) – (2x-x) = 12
Solve, x = 6
So, d = 36 km
So, to come to original point, he will have to cover 1/3 * 36 = 12 km
And with speed 3x = 18 km/hr(downstream)
So, time is 12/18 * 60 = 40 minutes

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

P, Q, R enter into a partnership & their shares are in the ratio 1/2: 1/3: 1/4, after two months, P withdraws half of the capitals & then after 10 months, a profit of Rs 378 is divided among them. What is Q’s share?

Correct

Answer :1.144
Explanation

Incorrect

Answer :1.144
Explanation

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