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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

Fathima’s present age is three times his son’s present age and nine-thirteenth of his father’s present age. The sum of their ages after five years is 115 years. What is the difference between the present ages of Fathima’s son and Fathima’s father?

Correct

Answer – 1) 40 years
Explanation:
Present age of F+S+Fa = 115-15 = 100
S = F/3; Fa = 13F/9
F (1+1/3+13/9) = 100
F =36; S = 12; Fa =52
Fa-S = 52-12 =40

Incorrect

Answer – 1) 40 years
Explanation:
Present age of F+S+Fa = 115-15 = 100
S = F/3; Fa = 13F/9
F (1+1/3+13/9) = 100
F =36; S = 12; Fa =52
Fa-S = 52-12 =40

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

The average expenditure of the boarding when there are 10 students is Rs. 60 per student and the average expenditure is Rs. 45 when there are 20 students. If it is known that there are some fixed expenses irrespective of the number of students then the average expenditure per student when there are 30 students in the boarding

Correct

Answer – 4) Rs. 40
Explanation:
Let fixed charges be F
F+D/10 = 60; F+D = 600
F+2D/20 = 45; F+2D = 900
D = 300; F= 300
For 30 students
F+3D/30 = (300+3*300)/30 = 40

Incorrect

Answer – 4) Rs. 40
Explanation:
Let fixed charges be F
F+D/10 = 60; F+D = 600
F+2D/20 = 45; F+2D = 900
D = 300; F= 300
For 30 students
F+3D/30 = (300+3*300)/30 = 40

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Ajay, Bharat, Catherine started a business with their investments in the ratio 1:2:5. After six months Ajay invested the half amount more as before, Bharat continued with same the amount as before, while Catherine withdrew 3/5 th of his investment. Find the ratio of their profits at the end of year.

Correct

Answer – 2) 5:8:14
Explanation:
A: B: C = 1:2:5
Investments be x, 2x, and 5x
Ratio at end of the year:
x*6+1.5x*6 : 2x*6+2x*6: 5x*6+2x*6
2.5:4:7
5:8:14

Incorrect

Answer – 2) 5:8:14
Explanation:
A: B: C = 1:2:5
Investments be x, 2x, and 5x
Ratio at end of the year:
x*6+1.5x*6 : 2x*6+2x*6: 5x*6+2x*6
2.5:4:7
5:8:14

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

The distance between City A and City B is 713 km. Intercity express starts from City A to City B at 60 km/h. 50 minutes later Prasanthi express leaves City B to City A on the parallel tracks at 70 km/h. How far from City B will they cross each other?

Correct

Answer – 3) 357 km
Explanation:
713 = 60*t + 70*(t-50/60)
713 = 60t+70t-175/3
2314/3 = 130t
t = 17.8/3
from City A = 60*17.8/3 = 356
from City B = 713-356 = 357

Incorrect

Answer – 3) 357 km
Explanation:
713 = 60*t + 70*(t-50/60)
713 = 60t+70t-175/3
2314/3 = 130t
t = 17.8/3
from City A = 60*17.8/3 = 356
from City B = 713-356 = 357

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

Pipe L can fill a tank three times as fast as pipe M. If together L & M can fill the tank in 24 minutes, then the slower pipe alone will be able to fill the tank in:

Correct

Answer – 4) 96 minutes
Explanation:
First pipe take x hours then second pipe takes x/3 hours
1/x+3/x = 1/24
x =96 minutes

Incorrect

Answer – 4) 96 minutes
Explanation:
First pipe take x hours then second pipe takes x/3 hours
1/x+3/x = 1/24
x =96 minutes

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

In saibaba Temple every devotee offers fruits to the orphans. Thus every orphan receives Oranges, Bananas and Guavas in the ratio of 4:3:7 in terms of dozen. But the weight of three Guavas is 108 gm and weight of Orange and Banana are in the ratio of 6:5, while the weight of a Banana is 120 gm. Find the ratio of all the three fruits in terms of weight, that an orphans gets:

Surya and Ravi each invested Rs.10,000 for 3 years at the same rate of interest but Ravi’s investment is compounded annually while Surya’s investment is charged on simple interest. What amount did Ravi received more than Surya?

Correct

Answer – 4) Data insufficient

Incorrect

Answer – 4) Data insufficient

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

A cylindrical cistern whose diameter is 21 cm is partly filled with Rose Milk. If a rectangular block of iron 22 cm in length, 27 cm in breadth and 14 cm in thickness is wholly immersed in Rose Milk, by how many cm will the Rose Milk level rise?

Correct

Answer – 2) 24 cm
Explanation:
Volume of Cube = 22*27*14
22*27*14 =22/7*21/2*21/2*h
h=24

Incorrect

Answer – 2) 24 cm
Explanation:
Volume of Cube = 22*27*14
22*27*14 =22/7*21/2*21/2*h
h=24

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

The average price of 80 laptops in a shop is Rs. 15,000, if the highest and lowest priced laptops are sold out then the average price of the remaining 78 laptops is Rs.14,750. The cost of the highest price laptop is Rs.37,125. The cost of lowest price laptop is:

The sum of the ages of 4 members- Father, Mother, Son and Aunty of a family four years ago was 96 years. If the son is replaced by his daughter, then the sum of their ages is 92. Assuming that there has been no other change in the family structure and all the people are alive, what is the difference in the age of the son and his Daughter?