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Question 1 of 10

1. Question

1 points

Category: Quantitative Aptitude

The sum of the present ages of the Sharma’s family members is 78. There are 4 members namely viz Sharma, Rose, Divya and Thomas. Sharma is 4 years older than Rose. Divya is two years older than Thomas. Sharma is 7 times as old as Thomas.

Quantity I: The Difference between the age of Sharm and Divya Quantity II: The Difference between the age of Rose and Thomas

Correct

Answer – 1. Quantity I > Quantity II Explanation:
S+R+D+T = 78 – (i)
S = R + 4 – (ii)
D = T + 2 – (iii)
S = 7T – (iv)
7T = R+4
R= 7T – 4
S+R+D+T = 78 – (i)
7T+7T-4+T+2+T = 78
16T = 80
T = 5
D = T+2 = 5+2 = 7
R = 7T – 4 = 31
S = 7T = 35
Quantity I = 35 – 7 = 28
Quantity II = 31 – 5 = 26

Incorrect

Answer – 1. Quantity I > Quantity II Explanation:
S+R+D+T = 78 – (i)
S = R + 4 – (ii)
D = T + 2 – (iii)
S = 7T – (iv)
7T = R+4
R= 7T – 4
S+R+D+T = 78 – (i)
7T+7T-4+T+2+T = 78
16T = 80
T = 5
D = T+2 = 5+2 = 7
R = 7T – 4 = 31
S = 7T = 35
Quantity I = 35 – 7 = 28
Quantity II = 31 – 5 = 26

Question 2 of 10

2. Question

1 points

Category: Quantitative Aptitude

P and Q both are dealers of TVS Motorcycles. The price of a used TVS Scooty Pep is Rs.28,000. Dealer P gives a discount of 10% on whole, while Dealer Q gives a discount of 12% on the first Rs. 20,000 and 8% on the rest Rs. 8000.

Quantity I: The Discount offer by Dealer P Quantity II: The Total Discount offer by Dealer Q

Correct

Answer – 2. Quantity I < Quantity II Explanation :
Discount offer by P = 10 % of 28000 = 2800
Total Discount offer by Q = 12% of 20,000 + 8% of 8000 = 3040

Incorrect

Answer – 2. Quantity I < Quantity II Explanation :
Discount offer by P = 10 % of 28000 = 2800
Total Discount offer by Q = 12% of 20,000 + 8% of 8000 = 3040

Question 3 of 10

3. Question

1 points

Category: Quantitative Aptitude

Prince sells an watch at 20% profit to Queen, Queen sells it to Rose at 10% profit. Rose sells it to Daniel at Rs. 16 profit. The difference between the cost price of Daniel and cost price of Prince was Rs. 500.

Quantity I: Cost Price of Rose Quantity II: Cost Price of Daniel – 16

Correct

Answer – 5. Quantity I = Quantity II
Explanation:
Cost Price of Prince = 100x
Cost Price of Queen = 120x
Cost Price of Rose = 132x
Cost Price of Daniel = 132x + 16
132x + 16 – 100x = 500
32x + 16 = 500
32x = 484
x = 484/32 = 15.125
Cost Price of Rose = 132x = 132 * 15.125 = 1996.5
Cost Price of Daniel = 132x + 16 = 1996.5 + 16

Incorrect

Answer – 5. Quantity I = Quantity II
Explanation:
Cost Price of Prince = 100x
Cost Price of Queen = 120x
Cost Price of Rose = 132x
Cost Price of Daniel = 132x + 16
132x + 16 – 100x = 500
32x + 16 = 500
32x = 484
x = 484/32 = 15.125
Cost Price of Rose = 132x = 132 * 15.125 = 1996.5
Cost Price of Daniel = 132x + 16 = 1996.5 + 16

Question 4 of 10

4. Question

1 points

Category: Quantitative Aptitude

x² – 26x + 168 = 0 y² – 32y + 252 = 0

Correct

Answer – 4. X ≤ Y Explanation:
x² – 26x + 168 = 0
x = 12, 14
y² – 32y + 252 = 0
y = 14, 18

Incorrect

Answer – 4. X ≤ Y Explanation:
x² – 26x + 168 = 0
x = 12, 14
y² – 32y + 252 = 0
y = 14, 18

Question 5 of 10

5. Question

1 points

Category: Quantitative Aptitude

The average weight of 39 Students in a class is 23. Among them Suresh is the heaviest while Thomas is the lightest. If both of them are excluded from the class still the average remains same. The ratio of weight of Suresh to Thomas is 15:8.

Quantity I: Weight of Thomas Quantity II: Weight of Suresh

Correct

Answer – 2. Quantity I < Quantity II
Explanation:
S+T = 23*(39-37) = 46
S/T = 15/8
T = 16
S = 30

Incorrect

Answer – 2. Quantity I < Quantity II
Explanation:
S+T = 23*(39-37) = 46
S/T = 15/8
T = 16
S = 30

Question 6 of 10

6. Question

1 points

Category: Quantitative Aptitude

Sharma got married 8 years ago. His present age is 7/5 times of age at the time of his marriage Sharma’s brother was 10 years younger to him at the time of his marriage. The present age of Sharma’s brother is

Correct

Answer – 3. 18
Explanation :
Sharma’s age at the time of his marriage = X years
X + 8 = 7/5 X
X = 20.
Present age of Sharma = 28
Sharma’s brother age = 28 – 10 = 18 years

Incorrect

Answer – 3. 18
Explanation :
Sharma’s age at the time of his marriage = X years
X + 8 = 7/5 X
X = 20.
Present age of Sharma = 28
Sharma’s brother age = 28 – 10 = 18 years

Question 7 of 10

7. Question

1 points

Category: Quantitative Aptitude

The prices of two balls are in the ratio 3 : 4. If the price of the first ball be increased by 10% and that of the second by Rs. 4, the original ratio remains the same. The original price of the second ball is

Correct

Answer – 1. Rs.40
Explanation:
Let the price of two balls are 3X and 4X.
After increment the ratio will be:
110% of 3x/(4X+4) = 3/4
x=10
Thus the CP of second ball = 4X = 4*10 = Rs. 40

Incorrect

Answer – 1. Rs.40
Explanation:
Let the price of two balls are 3X and 4X.
After increment the ratio will be:
110% of 3x/(4X+4) = 3/4
x=10
Thus the CP of second ball = 4X = 4*10 = Rs. 40