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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

A train crosses a man going along a railway track at 6 km/hr. The man could see the train up to 2 minutes and then find the speed of train in km/hr if at the time of disappearance, the distance between train to the man was 1.8 km and length of train is 300 m?

Correct

Answer : 4. 69 Explanation-
Distance covered by man in 2 min = 200m
Total distance by train =200+1800+300=2300m(2.3km)
Time =1/30 hr (2min)
Speed of train=2.3 / (1/30) = 69 km/hr

Incorrect

Answer : 4. 69 Explanation-
Distance covered by man in 2 min = 200m
Total distance by train =200+1800+300=2300m(2.3km)
Time =1/30 hr (2min)
Speed of train=2.3 / (1/30) = 69 km/hr

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

what should be the next number in this series?
68, 73, 141, 214, 355, 569, ?

A bag contains 4 black balls, 3 red balls and 5 green balls. 2 balls are drawn from the bag at random. What is probability that both balls are of same color?

Correct

Answer : 3. 19/66
Explanation
Total no of balls=4+3+5=12
Total possible event=^{12}c_{2}=66
Desired events=^{4}C_{2}+^{3}C_{2}+^{5}C_{2}=6+3+10=19
Probability=19/66

Incorrect

Answer : 3. 19/66
Explanation
Total no of balls=4+3+5=12
Total possible event=^{12}c_{2}=66
Desired events=^{4}C_{2}+^{3}C_{2}+^{5}C_{2}=6+3+10=19
Probability=19/66

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

In the following number series, a wrong number is given. Find out that number?
11, 13, 25, 61, 143, 291, 543

Correct

Answer : 4.143 Explanation
The series is +1^{2}+1^{3}, +2^{2}+2^{3}, +3^{2}+3^{3}, ………

Incorrect

Answer : 4.143 Explanation
The series is +1^{2}+1^{3}, +2^{2}+2^{3}, +3^{2}+3^{3}, ………

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

A, B, C starts a business with investment of Rs.1, 00,000. C invest Rs. 8,000 more than B and B invest Rs. 10,000 more than A. If the total profit is Rs. 70,000 then C receives:

Correct

Answer: 4.Rs. 29,400 Explanation
Let A’s investment be X
Then, B’s = X + 10,000 and C’s = X + 10,000 + 8,000
Now the total investment = X + X + 10,000 + X + 10,000 + 8,000 = 3X + 28,000
From the given data, 3X + 28000 = 1, 00,000
3X = 72,000
Then X = 24,000.
A: B: C = 24000: 34000: 42,000 = 12: 17: 21
Then c’s share = (21/50) x 70,000 = Rs. 29,400

Incorrect

Answer: 4.Rs. 29,400 Explanation
Let A’s investment be X
Then, B’s = X + 10,000 and C’s = X + 10,000 + 8,000
Now the total investment = X + X + 10,000 + X + 10,000 + 8,000 = 3X + 28,000
From the given data, 3X + 28000 = 1, 00,000
3X = 72,000
Then X = 24,000.
A: B: C = 24000: 34000: 42,000 = 12: 17: 21
Then c’s share = (21/50) x 70,000 = Rs. 29,400

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

A hollow cylindrical tube is open at both ends is made of iron 4cm thick. If the external diameter be 52cm and the length of the tube be 120cm, find the number of cubic cm of iron in it? approx.

Q (7-10) Numbers of mobile phones manufactured by five different companies over the years is given below:

Bar graph showing the percentage of mobile phones sold over the years

what is the percentage increase of sales of mobile phones of LAVA and OPPO in year 2015 with Respect to previous year?

Correct

Answer : 3.57.51% Explanation

Incorrect

Answer : 3.57.51% Explanation

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

Q (7-10) Numbers of mobile phones manufactured by five different companies over the years is given below:

Bar graph showing the percentage of mobile phones sold over the years

what is the difference between the average numbers of mobile phones manufactured in 2014 to average number of mobile phones manufactured in 2012?

Correct

Answer : 1.58200 Explanation

Incorrect

Answer : 1.58200 Explanation

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

Q (7-10) Numbers of mobile phones manufactured by five different companies over the years is given below:

Bar graph showing the percentage of mobile phones sold over the years

what is the average number of mobile phones sold by OPPO in the following years?

Correct

Answer : 2. 489142 Explanation-
Total phone sold in all year by OPPO=
862000*88%+423000*55% +612000*75% +876000*80% +842000*35%=24, 45,710
Average mobile sold all these years =489142

Incorrect

Answer : 2. 489142 Explanation-
Total phone sold in all year by OPPO=
862000*88%+423000*55% +612000*75% +876000*80% +842000*35%=24, 45,710
Average mobile sold all these years =489142

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

Q (7-10) Numbers of mobile phones manufactured by five different companies over the years is given below:

Bar graph showing the percentage of mobile phones sold over the years

how many less mobile phones of PIXEL company remains unsold in years 2014, 2015 as Compared to combine unsold phones of LAVA in the same years?

Correct

Answer : 3. 47745 Explanation
No of PIXEL mobiles remain unsold in year 2014 and 2015= 850000*20% +860500*31%= 170000+266755 =436755
No of LAVA mobiles remain unsold in year 2014 and 2015=650000*44% +794000*25% =484500
Difference =47745

Incorrect

Answer : 3. 47745 Explanation
No of PIXEL mobiles remain unsold in year 2014 and 2015= 850000*20% +860500*31%= 170000+266755 =436755
No of LAVA mobiles remain unsold in year 2014 and 2015=650000*44% +794000*25% =484500
Difference =47745

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