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General Queries 24

• Need information to prepare for MBA-2020-2021
• Help for GMAT-Low score
• Devastated after scoring 100 point less in actual GMAT than my mock!
• 600 to 700 in 4 weeks, is it possible? what is the best plan??
• Embarrased: Should I Apply With a Low GMAT? (470 & 460)

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Specific Student Queries-Quant(All topics) 15

• Standard Deviation(Is Standard Deviation affected with sign)???
• If r(r+s) ≠ 0 and r > 0( E or B??)
• (Which one is a Middle Class family?)B or D???
• Which of the following has the same standard deviation as {s, r, t}?(Is SD of s,r,t same as -s,-r,-t concept?)
• If r(r+s) ≠ 0 and r > 0( E or B??)

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PS-Arithmetic 225

• If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36 days, each working 8 hours a day?
• The price of 5.5 dozen pens is 1287. What is the price of 16 such pens?
• The price of 357 mangoes is 1517.25. What will be the approximate price of 49 dozens of such mangoes?
• A Banana Boat travels from Sunniville to Gloomiville upstream and returns back to Sunniville downstream. If the average speed of the total journey is 37.5 km/hr and the speed of the stream is 10 km/hr, what is the upstream speed of the Bana
• If 11.25 m of a uniform iron rod weighs 42.75 kg, what will be the weight of 6 m of the same rod?

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PS-Algebra 32

• If the equations k(6x2+3)+rx+2x2−1=0k(6x2+3)+rx+2x2−1=0 and 6k(2x2+1)+px+4x2−2=06k(2x2+1)+px+4x2−2=0 have both roots common then the value of (2r−p)(2r−p) is
• The table above shows the numbers of hours of television programs that Jane recorded last week and the numbers of hours she spent viewing these recorded programs. No recorded program was viewed more than once. If h is the number of hours of
• m⊕p=nm⊕p=n n⊕r=mn⊕r=m n⊕q=qn⊕q=q p⊕q=pp⊕q=p q⊕p=rq⊕p=r If the relations shown hold for the operation ⊕ and the numbers m, n, p, q, and r, then [(m⊕p)⊕q]⊕p=[(m⊕p)⊕q]⊕p=
• If z ≠ 0 and z+(1−2z^2/z)=w/z, then w=??
• For all real numbers a, b, c, d, e, and f, the operation Θ is defined by the equation (a,b,c)Θ(d,e,f)=ad+be+cf(a,b,c)Θ(d,e,f)=ad+be+cf. What is the value of (1,−2,3)Θ(1,−1/2,1/3) ?

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PS-Geometry 80

• If the area of a circle in square feet equals its radius in feet, then the circle's radius, in feet, is closest to
• In triangle ABC, AB = BC. If angle A = (4x – 30)° and angle C = (2x + 10)°, find the number of degrees in angle B. (A) 20 (B) 40 (C) 50 (D) 60 (E) 80
• What is the circumference of circle C ? (1) The radius of circle C is 2π. (2) The center of circle C is located at point (7,8) in the xy-plane.
• What is the value of x?(45 degrees or 30 degrees)?
• In the xy plane, the distance between the origin and the point (4,5) is the same as the distance between which of the following two points?

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PS-Modern Math/Stats 135

• Three snipers shoot a certain target. Their probabilities of hitting the target are 0.9, 0.7, and 0.5 respectively. The snipers make one salvo. What is the probability that exactly one sniper hit?
• One coin in a collection of 65 has two heads. The rest are fair. If a coin, chosen at random from the lot and then tossed, turns up heads 6 times in a row, what is the probability that it is the two-headed coin?
• A die is loaded in such a way that the probability of each face turning up is proportional to the number of dots on that face. (For example, a six is three times as probable as a two.) What is the probability of getting an even number in on
• Two cards are drawn successively from a deck of 52 cards. What is the probability that the second card is higher in rank than the first card?
• ABCDEFGH is an octagon. Two vertices of the octagon are selected at random. Find the probability that these vertices form a diagonal of the octagon.

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DS-Arithmetic 30

• Jack is standing in line. If there are 8 more people in front of Jack than behind him, how many people are in line? (1) There are 4 people behind Jack. (2) There are three times as many people in front of Jack as behind him.
• A school administrator will assign each student in a group of N students to one of M classrooms. If 3<N, is it possible to assign each of the N students to one of the M classrooms so that each classroom has the same number of students
• If x, y, and z are three-digit positive integers and if x = y + z, is the hundreds digit of x equal to the sum of the hundreds digits of y and z ? (1) The tens digit of x is equal to the sum of the tens digits of y and z. (2) The units dig
• A clothing manufacturer makes jackets that are wool or cotton or a combination of wool and cotton. The manufacturer has 3,000 pounds of wool and 2,000 pounds of cotton on hand. Is this enough wool and cotton to make at least 1,000 jackets?
• Did the population of Town C increase by at least 100 percent from the year 2000 to the year 2010 ? (1) The population of Town C in 2000 was 2/3 of the population in 2005. (2) The population of Town C increased by a greater number of peopl

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DS-Algebra 18

• Is x+1/y+1>x/y? (1) 00
• If a and b are integers, and b > 0, does a−1/b+1=a/b? (1) a = b − 4 (2) a = –b
• If a and b are constants, is the expression x+ b /√x+ a defined for x = –2 ? (1) a = 5 (2) b = 6
• Is x = y? (1) 2x/3−y/3=1/3 (2) x/4−y/4=0
• If 2^(x + y) = 4^8, what is the value of y? (1) x^2 = 81 (2) x − y = 2

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DS-Geometry 17

• What is the circumference of circle C ? (1) The radius of circle C is 2π. (2) The center of circle C is located at point (7,8) in the xy-plane.
• In the xy-coordinate plane, what are the x-coordinates of the four vertices of square JKMN ? (1) J and M are on the x-axis, and K and N are on the y-axis. (2) The center of the square is at the origin.
• If all of the six faces of a concrete block are rectangular, what is the volume of the block? (1) Each of the four lateral faces of the block has an area of 200 square inches. (2) The top of the block is square and has an area of 400 squar
• What is the value of z in the figure above? (1) x = 50 (2) y = 35
• What is the volume of the right circular cylinder X ? (1) The height of X is 20. (2) The base of X has area 25π.

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DS-Modern Math/Stats 11

• Last year, in a certain housing development, the average (arithmetic mean) price of 20 new houses was $160,000. Did more than 9 of the 20 houses have prices that were less than the average price last year? (1) Last year the greatest price
• A certain list, L, contains a total of n numbers, not necessarily distinct, that are arranged in increasing order. If L1 is the list consisting of the first n1 numbers in L and L2 is the list consisting of the last n2 numbers in L, is 17 a
• What is the ratio of the average (arithmetic mean) height of students in class X to the average height of students in class Y? (1) The average height of the students in class X is 120 centimetres. (2) The average height of the students in
• Tom, Jane, and Sue each purchased a new house. The average (arithmetic mean) price of the three houses was $120,000. What was the median price of the three houses? (1) The price of Tom’s house was $110,000. (2) The price of Jane’s house wa
• The range of the numbers in set S is x, and the range of the numbers in set T is y. If all of the numbers in set T are also in set S, is x greater than y? (1) Set S consists of 7 numbers. (2) Set T consists of 6 numbers.

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Og questions-PS 11

• If (1/3+1/4+1/5+1/6)=r(1/9+1/12+1/15+1/18)
• If x and y are positive integers such that y is a multiple of 5
• Which of the following expressions can be written as an integer?
• If x^2 − 2 < 0, which of the following specifies all the possible values of x?
• In the xy-coordinate plane, which of the following points

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Og questions-DS 3

• In the figure above, is the area of triangular region ABC
• Is the area of triangular region above less than 20?
• A school administrator will assign each student in a group of n students to one of m classrooms