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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

20 men can finish a piece of work in 15 days. 10 women can finish the same piece of work in 25 days. Only 15 women started working and in few days completed certain amount of work. After that 6 men joined them. The remaining work was completed by 15 women and 6 men together in 5 days. After how many days 6 men joined 15 women?.

Correct

Explanation :
1 Man can finish the work in = 1/300 days
1 Woman can finish the work in = 1/250 days
15 Women can finish the work in = 15x/250 days = 3x/50
15 Women and 6 men can finish the remaining work in = 15 *5 /250 + 6 *5 /300 = ⅖ days
6 men joined with 15 women after x days
3x/50 + 2/5 = 1
3x + 20 = 50
X = 10 days

Incorrect

Explanation :
1 Man can finish the work in = 1/300 days
1 Woman can finish the work in = 1/250 days
15 Women can finish the work in = 15x/250 days = 3x/50
15 Women and 6 men can finish the remaining work in = 15 *5 /250 + 6 *5 /300 = ⅖ days
6 men joined with 15 women after x days
3x/50 + 2/5 = 1
3x + 20 = 50
X = 10 days

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

In an election 10% of the voters on the voters’ list did not cast votes and 60 voters cast their ballot papers blank. There were only two candidates. The winner was supported by 50% of all voters in the list and he got 420 votes more than his rival. The number of voters on the list was:

Correct

Explanation:
Let total number of voters= x
People who voted for the winner are = 0.5x
People who voted for the loser are = 0.5x-420
People who cast blanks are = 60
and people who did not vote are = 0.1x
solve the following equation
0.5x+0.5x-420+60+0.1x=x => x=3600

Incorrect

Explanation:
Let total number of voters= x
People who voted for the winner are = 0.5x
People who voted for the loser are = 0.5x-420
People who cast blanks are = 60
and people who did not vote are = 0.1x
solve the following equation
0.5x+0.5x-420+60+0.1x=x => x=3600

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

The respective ratio between the present age of Kamal and Mukesh is 7:X. Kamal is 10 years younger than Suresh. Suresh’s age after 10 years will be 34 years. The difference between Mukesh’s and Kamal’s age is same as the present age of Suresh. Then what is the value of X?

Correct

Explanation :
Suresh’s age after 10 years = 34 years
Suresh’s present age = 34 – 10 = 24 years
Kamal’s present age = 24 – 10 = 14 years
Mukesh’s present age = 14 + 24 = 38 years
Ratio between Kamal and Mukesh = 14 : 38 = 7 : 19
X = 19

Incorrect

Explanation :
Suresh’s age after 10 years = 34 years
Suresh’s present age = 34 – 10 = 24 years
Kamal’s present age = 24 – 10 = 14 years
Mukesh’s present age = 14 + 24 = 38 years
Ratio between Kamal and Mukesh = 14 : 38 = 7 : 19
X = 19

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

Mr. Suresh owned 940 gold coins all of which he distributed amongst his three daughters Anisha, Manisha and Geeta. Anisha gave 50 gold coins to her husband, Manisha donated 20 gold coins and Geeta made jewellery out of 30 gold coins. The new respective ratio of the coins left with them was 20 : 61 : 87. How many gold coins did Manisha receive from Mr. Suresh?

Correct

Explanation :
20x + 61x + 87x = 940 – 50 – 20 – 30
168x = 840
X = 5
Number of coins received by Manisha = 61x + 20 = 61 × 5 + 20 = 325

Incorrect

Explanation :
20x + 61x + 87x = 940 – 50 – 20 – 30
168x = 840
X = 5
Number of coins received by Manisha = 61x + 20 = 61 × 5 + 20 = 325

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

P and Q invested Rs 40,000 and Rs 45,000 in a business for 1 year and 8 months respectively. P being a working partner earned 25/3% profit out of a total profit of Rs 60,000 and after this the profit was divided in the ratio of their investments. What is the approximate share of Q in the annual profit?

Correct

Explanation:
P’s share : Q’s share
40,000*12 : 45,000*8
4 : 3
P got its salary as = [(25/3)/100] * 60,000 = 5000
Remaining profit = 60,000 – 5000 = 55,000
So Q gets = 3/7 * 55000 = 23571

Incorrect

Explanation:
P’s share : Q’s share
40,000*12 : 45,000*8
4 : 3
P got its salary as = [(25/3)/100] * 60,000 = 5000
Remaining profit = 60,000 – 5000 = 55,000
So Q gets = 3/7 * 55000 = 23571

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

Number of members in club E increased what percent from 2011 to 2012?

What is the difference between total number of members in club A, B and C together in 2011 and that in clubs D, E and F together in 2014?

Correct

Explanation :
Total number of members in club A, B and C together in 2011 = 240 + 220 + 305 = 765
Total number of members in club D, E and F together in 2014 = 145 + 148 + 142 = 435
Difference = 765 – 435 = 330

Incorrect

Explanation :
Total number of members in club A, B and C together in 2011 = 240 + 220 + 305 = 765
Total number of members in club D, E and F together in 2014 = 145 + 148 + 142 = 435
Difference = 765 – 435 = 330

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

What is the respective ratio between the total number of members in club A in 2011, 2012, 2014 and total number of members in club D in the same years together?

Correct

Explanation :
The total number of members in club A in 2011, 2012, 2014 = 820
The total number of members in club D in 2011, 2012, 2014 = 836
Ratio = 820 : 836 = 205 : 209

Incorrect

Explanation :
The total number of members in club A in 2011, 2012, 2014 = 820
The total number of members in club D in 2011, 2012, 2014 = 836
Ratio = 820 : 836 = 205 : 209

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

If 40% of the total number of members in clubs A, B and C together in 2012 are males, what is the total number of female members in clubs A, B and C together in 2012?

Correct

Explanation :
60% of the total number of members in clubs A, B and C together in 2012 are females.
The total number of female members in clubs A, B and C together in 2012 = 60/100 * (420 + 320 + 470) = 726

Incorrect

Explanation :
60% of the total number of members in clubs A, B and C together in 2012 are females.
The total number of female members in clubs A, B and C together in 2012 = 60/100 * (420 + 320 + 470) = 726

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

What is the approximate average number of members in all clubs together in the year 2012?