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Answer – 2. 402 Explanation:
186 = 508 – x
x = 508 – 186 = 402

Incorrect

Answer – 2. 402 Explanation:
186 = 508 – x
x = 508 – 186 = 402

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

The average age of Sharmi, Muthu and Murali is 38 years. Two years ago, average age of Sharmi and Muthu is 39. Two years hence, average age of Helen and Murali is 45. Find the present age of Helen.

Correct

Answer – 2. 54 years Explanation:
Total age of Sharmi, Muthu & Murali = (38 * 3)= 114
Present age of Sharmi & Muthu = (39*2) + 4 = 82
Age of Murali = 32
Present age of Helen & Murali is = (45 *2)-4 = 86
Age of Helen = (86-32)= 54

Incorrect

Answer – 2. 54 years Explanation:
Total age of Sharmi, Muthu & Murali = (38 * 3)= 114
Present age of Sharmi & Muthu = (39*2) + 4 = 82
Age of Murali = 32
Present age of Helen & Murali is = (45 *2)-4 = 86
Age of Helen = (86-32)= 54

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

A watercraft goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of watercraft in still water is 15 kmph. What is the speed of the stream?

Correct

Answer – 3. 5 Explanation:
Let the speed of stream = X kmph
Downstream speed = 15+X
Upstream speed = 15-X
30/(15+X) + 30/(15-X)=9/2
X=5 kmph

Incorrect

Answer – 3. 5 Explanation:
Let the speed of stream = X kmph
Downstream speed = 15+X
Upstream speed = 15-X
30/(15+X) + 30/(15-X)=9/2
X=5 kmph

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

From a tank of Petrol, a thief has stolen 15 liters of Petrol and replaced it with same quantity of water. He again repeated the same process. Thus in three attempts, the ratio of Petrol and water became 343:169. The initial amount of Petrol in the tank was:

An agent undertook to finish a certain work in 162 days and employed 150 women. After 72 days, he found that he had already done 2/3 of the work. How many women can be discharged now, so that the work finish in time?

A sum of Rs. 9900 is to be divided among three brothers Ajay, Dhinesh and Ranjith in such a way that simple interest on each part at 5% per annum after 1, 2 and 3 year respectively remains equal. The share of Ajay is more than that of Ranjith by?

Correct

Answer – 1. Rs. 3600 Explanation:
x*5*1/100 = y*5*2/100 = z*5*3/100
x:y:z = 6:3:2
The share of Ajay is more than that of Ranjith by = 4/11 * 9900 = 3600

Incorrect

Answer – 1. Rs. 3600 Explanation:
x*5*1/100 = y*5*2/100 = z*5*3/100
x:y:z = 6:3:2
The share of Ajay is more than that of Ranjith by = 4/11 * 9900 = 3600

Question 10 of 10

10. Question

1 points

Category: Quantitative Aptitude

The ratio of the number of boys and girls in a college is 3:2. If 20% of the boys and 25% of the girls are PG holders, the percentage of the students who are not PG holders is

Correct

Answer – 4. 78% Explanation:
Consider Total no of students = 100
Ratio is 3:2 i.e Boys=60 and Girls=40
20% of boys(PG holders) = 60*20/100=12%
25% of girls(PG holders) = 40*25/100 =10%
Therefore % of students who are not PG holders =100-(12+10) = 78%

Incorrect

Answer – 4. 78% Explanation:
Consider Total no of students = 100
Ratio is 3:2 i.e Boys=60 and Girls=40
20% of boys(PG holders) = 60*20/100=12%
25% of girls(PG holders) = 40*25/100 =10%
Therefore % of students who are not PG holders =100-(12+10) = 78%

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