   ## GMAT GRE - Math - Practice Test - MCQ Set 11

Options are :

• 64 (Correct)
• 112
• 13 !
• 13

Options are :

• 120
• 90 (Correct)
• 60
• 75

Options are :

• 60
• 85 (Correct)
• 110
• 70

Options are :

• a
• d
• b
• c (Correct)

##### Find the centre of the circle passing through the points (6,-6), (3,-7) and (3,3).

Options are :

• 3, -3
• 3, -2 (Correct)
• 3, 0
• 2, -3

Options are :

• D
• A
• C
• B (Correct)

##### What least number must be added to each of the numbers 6,15, 20 and 43 to make them proportional.

Options are :

• Required number = 4
• Required number = 2
• Required number = 3 (Correct)

Options are :

• a
• d
• c
• b (Correct)

##### A part of monthly hostel charges in a college are fixed and the remaining depend on the number of days one has taken food in the mess. When a student A takes food for 20 days, he has to pay Rs. 1000 as hostel charges whereas a student B who takes food for 26 days, pays Rs. 1,180 as hostel charges. Find the fixed charge and the cost of food /day.

Options are :

• Fixed charges = Rs. 300 and cost of food/day = Rs. 60
• Fixed charges = Rs. 400 and cost of food/day = Rs. 40
• Fixed charges = Rs. 400 and cost of food/day = Rs. 30 (Correct)
• Fixed charges = Rs. 500 and cost of food/day = Rs. 30

Answer :Fixed charges = Rs. 400 and cost of food/day = Rs. 30

##### Larger image Options are :

• Smaller than AB
• Bigger than AB (Correct)
• Equal to AB
• Insufficient info

Options are :

• 2
• 7
• 5 (Correct)
• 1

##### A retailer buys a wall clock for Rs. 115 (INR). His overhead expenses are Rs. 10 (INR). If he sells it for Rs. 140 (INR), determine his gain or loss per cent.

Options are :

• Loss = 12%
• Gain = 10%
• Loss = 10%
• Gain = 12% (Correct)

Options are :

• 40
• 42 (Correct)
• none of them
• 39

Options are :

• a
• d
• c
• b (Correct)

##### Sum of digits of a 5 digit number is 41. Find the probability that such a number is divisible by 11?

Options are :

• 11 / 36
• 2 / 15
• 6 / 35 (Correct)
• 3 / 35

Options are :

• a
• c (Correct)
• d
• b

Options are :

• 60
• 15 (Correct)
• 20
• 45

##### An alloy of copper and aluminum has 40% copper. An alloy of Copper and Zinc has Copper and Zinc in the ratio 2: 7. These two alloys are mixed in such a way that in the overall alloy, there is more aluminum than Zinc, and copper constitutes x% of this alloy. What is the range of values x can take?

Options are :

• 32.5% ? x ? 42%
• 30% ? x ? 40%
• 33.33% ? x ? 40%
• 32.25% ? x ? 40%* (Correct)

Answer :32.25% ? x ? 40%*

Options are :

• c
• a (Correct)
• b
• d

##### Larger image Options are :

• 180 (Correct)
• 200
• 170
• 160

##### Tarun says,� give me a hundred, friend! I shall then become twice as rich as you�. Abhishek replies,� if u give me ten, I shall be six times as rich as you�. Tell me what is the amount of their (respective) capital?

Options are :

• Rs. 40 and Rs. 170 (Correct)
• Rs. 140 and Rs. 70
• Rs. 40 and Rs. 70

Answer :Rs. 40 and Rs. 170

##### Solve the equations:  x / 2 + y = 0.8                                7/ (x + y / 2) = 10

Options are :

• x = 0.6 and y = 0.4
• x = 0.4 and y = 0.8
• x = 0.4 and y = 0.6 (Correct)
• x = -0.4 and y = 0.6

Answer :x = 0.4 and y = 0.6

##### A Company Owner decides to distribute Rs. 2000 between 2 employees. He knows A deserves more that B, but does not know how much more. So he decides to arbitrarily break Rs. 2000 into two parts and give A the bigger part. What is the chance that A gets twice as much as B or more?

Options are :

• 1 / 2
• 1 / 3
• 2 / 5
• 2 / 3 (Correct)

Options are :

• 105
• 22 (Correct)
• 7c4
• 6c4

Options are :

• B
• C
• A (Correct)
• D

##### If AOBC is a rectangle whose three vertices are A(0,3), O(0,0) and B(5,0), then the length of its diagonal is

Options are :

• root 34 (Correct)
• 3
• 5
• root 41

##### How many three digit numbers are divisible by 7 ? (ref 105213)

Options are :

• 226
• 126
• 226
• 128 (Correct)

##### Terry plans to order a birthday gift for his friend Abhishek from an online retailer. However, the birthday coincides with the festival season during which there is a huge demand for buying online goods and hence deliveries are often delayed. He estimates that the probability of receiving the gift, in time, from the retailers A, B, C and D would be 0.6, 0.8, 0.9 and 0.5 respectively. Playing safe, he orders from all four retailers simultaneously. What would be the probability that Abhishek would receive the gift in time?

Options are :

• 0.996 (Correct)
• 0.994
• 0.004
• 0.216

Options are :

• c
• a (Correct)
• d
• b

Options are :

• 18
• 27 (Correct)
• 24
• 32