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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

The average age of 10 persons is 21.8. The average age of last four persons is 15. If the average age of first five persons is 23, What is the age of the sixth person?

A Lamborghini car takes 5 hours to travel from point L to M. It would have taken 6 hours. If the same car had travelled the same distance at a speed which was 15 kmph less than its original speed. What is the distance between points L and M ?

Correct

Answer – 3. 450 km Explanation :
Let the distance between L & M = X km
X/5-X/6= 15
Distance = 450 km

Incorrect

Answer – 3. 450 km Explanation :
Let the distance between L & M = X km
X/5-X/6= 15
Distance = 450 km

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

The total price of 6 Tops & 5 Skirts is Rs 3880 and the total price of 3 Tops & 2 Skirts is Rs 1750. What is the total price of 3 Skirts?

Correct

Answer – 4. 1140
Explanation :
X- Top Y – Skirt
6X + 5Y= 3880
3X + 2Y= 1750
Solving equation I & II
X= 330 , Y= 380
Price of 3 Skirts = Rs 380 * 3= Rs 1140

Incorrect

Answer – 4. 1140
Explanation :
X- Top Y – Skirt
6X + 5Y= 3880
3X + 2Y= 1750
Solving equation I & II
X= 330 , Y= 380
Price of 3 Skirts = Rs 380 * 3= Rs 1140

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

A crew of 25 men is supposed to do a work in 44 days. After 18 days, 2 more men were employed and the work finished 1 day earlier. How many days would it have been delayed if 2 more men were not employed.

Correct

Answer – 1. 1 day Explanation :
25 * (44-18 +X)= (25+2) * (44-1-18)
X= 1 day

Incorrect

Answer – 1. 1 day Explanation :
25 * (44-18 +X)= (25+2) * (44-1-18)
X= 1 day

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

The SI on a sum of money will be Rs.300 after 5 years. In the next 5 years Principal is trebled, what will be the interest at the end of the 10th year.

The profit percentage of Pradeep and Arun is same on selling the books at Rs. 1800 each but Pradeep calculates his profit on the selling price while Arun calculates it correctly on the cost price which is equal to 20%. What is the difference in their profits?

Correct

Answer – 3. 60 Explanation:
Profit(Calculated on SP) = 20% of 1800 = 360
Profit(calculated on CP)
x + x/5 = 1800
x = 1500
Profit = 300
Difference = 360 – 300 = 60

Incorrect

Answer – 3. 60 Explanation:
Profit(Calculated on SP) = 20% of 1800 = 360
Profit(calculated on CP)
x + x/5 = 1800
x = 1500
Profit = 300
Difference = 360 – 300 = 60

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

A trader mixes 10% water in his Fresh Juice but he is not content with it so he again mixes 10% more water in the previous mixture. What is the profit percentage of the trader if he sells it at cost price:

Correct

Answer – 2. 21% Explanation :
Let Initial Quantity of Fresh Juice = 100 litre
After mixing 10% water, Quantity of the mixture = 110 * 110 / 100 = 121 litre
CP of One litre of Fresh Juice = Rs.1
Total CP = Rs.100
Total SP = Rs.121
Profit = 121 – 100 = 21
Profit % = 21 * 100/100 = 21%

Incorrect

Answer – 2. 21% Explanation :
Let Initial Quantity of Fresh Juice = 100 litre
After mixing 10% water, Quantity of the mixture = 110 * 110 / 100 = 121 litre
CP of One litre of Fresh Juice = Rs.1
Total CP = Rs.100
Total SP = Rs.121
Profit = 121 – 100 = 21
Profit % = 21 * 100/100 = 21%

Question 8 of 10

8. Question

1 points

Category: Quantitative Aptitude

The monthly salary of Sharma and Kishore together is Rs.28000. The salary of Sharma and Kishore is increased by 25% and 12.5% respectively. The new salary of Kishore becomes 120% of the new salary of Sharma. What is the new salary of Sharma?

Correct

Answer – 5. Rs.15000 Explanation:
The monthly salary of Sharma and Kishore => S + K = 28000 —(1)
Sharma’s salary = x; Kishore’s salary = 28000 – x.
K = 120/100 * S —(2)
S’s new salary = (28000 – x)*112.5/100
K’s new salary = x * 125/100
(28000 – x)*112.5/100 = x * 125/100
x = 12000
New salary of Sharma = 125% of 12000 = 15000

Incorrect

Answer – 5. Rs.15000 Explanation:
The monthly salary of Sharma and Kishore => S + K = 28000 —(1)
Sharma’s salary = x; Kishore’s salary = 28000 – x.
K = 120/100 * S —(2)
S’s new salary = (28000 – x)*112.5/100
K’s new salary = x * 125/100
(28000 – x)*112.5/100 = x * 125/100
x = 12000
New salary of Sharma = 125% of 12000 = 15000

Question 9 of 10

9. Question

1 points

Category: Quantitative Aptitude

Initially, Ravi has Rs.200 in his Freecharge wallet then he increased it by 20%. Once again he increased his amount by 25%. The final value of money in his wallet will be how much % greater than the initial amount?

Ankita was married 8 years ago. Today her age is 9/7 times to that time of marriage. At present his son’s age is 1/6th of her age. What was her son’s age 4 years ago?

Correct

Answer – 2. 2 years Explanation :
Ankita’s age 8 year ago = x
Present age = x + 8
x + 8 = 9/7 x
7(x + 8)= 9x
x = 28; 28 + 8 = 36
Son’s age = 1/6 * 36 = 6
Son’s age 4 year ago = 6-4 = 2

Incorrect

Answer – 2. 2 years Explanation :
Ankita’s age 8 year ago = x
Present age = x + 8
x + 8 = 9/7 x
7(x + 8)= 9x
x = 28; 28 + 8 = 36
Son’s age = 1/6 * 36 = 6
Son’s age 4 year ago = 6-4 = 2

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