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rrb Exam Pattern, rrb Questions with Answers Page 94

(#M40022353) RRB QUESTION ALGEBRA Keep an EYE

A population of 1500 deer decreases by 1.5% per year. At the end of 10 years, there will be approximately 1290 deer in the population. Which function can be used to determine the number of deer, y, in this population at the end of t years?
A y t = - 1500 1 0 015 ( . )
B y = 1500(0.015)t
C y = 1500(1 + 0.015)t
D y = 1500(1.5

Asked In RRB MAN (12 years ago)

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(#M40022352) RRB QUESTION ALGEBRA Keep an EYE

The sum of the perimeters of two different squares is 32 centimeters, and the difference between their perimeters is 8 centimeters. If x represents the side length of the larger square and y represents the side length of the smaller square, which of the following systems of equations could be used to find the dimensions of the squares?
a) x + y + 32, x - y + 8
b) 4x + 4y + 32, 4x - 4y + 8
c) 2x + 2y + 32, 2y - 2x + 8
d) 4x + 2y + 32, 4x - 2y + 8

Asked In RRB MAN (12 years ago)

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(#M40022351) RRB QUESTION ALGEBRA Keep an EYE

The amount an appliance repairman charges for each job is represented by the function t + 50h + 35, where h represents the number of hours he spent on the job and t represents the total amount he charges in dollars for the job. The repairman plans to change the amount he charges for each job. The amount he plans to charge is represented by the function t + 50h + 45. What will be the effect of this change on the amount he charges for each job?
a) The total amount he charges for each job will increase by $10.
b) The total amount he charges for each job will decrease by $10.
c) The amount he charges per hour will increase by $10.
d) The amount he charges per hour will decrease by $10.

Asked In RRB MAN (12 years ago)

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(#M40022350) RRB QUESTION ALGEBRA Keep an EYE

If (2k, k) and (3k, 4k) are two points on the graph of a line and k is not equal to 0, what is the slope of the line?
a) 3
b) 3k
c) 13
d) Not here

Asked In RRB MAN (12 years ago)

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(#M40022349) RRB QUESTION ALGEBRA Keep an EYE

Which of the following is not a correct description of the graph of the function y - 2x - 7?
a) The graph of the function contains the point (-2, -3), and when the value of x increases by 1 unit, the value of y decreases by 2 units.
b) The graph of the function contains the points (-1, -5), (2, -11), and (4, -15).
c) The graph of the function is a line that passes through the point (0, -7) with a slope of -2.
d) The graph of the function contains the points (0, -7), (1, -9), and (3, -1).

Asked In RRB MAN (12 years ago)

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(#M40022348) RRB QUESTION ALGEBRA Keep an EYE

In the quadratic equation x^2 - x + c = 0, c represents an unknown constant. If x = -3 is one of the solutions to this equation, what is the value of c?

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(#M40022347) RRB QUESTION ALGEBRA Keep an EYE

Southern Phone Company is promoting a new cell phone service plan: a customer can make up to 500 minutes of calls each month for $39.99. If the number of minutes used in a month exceeds 500, then the function c = 0.40(m - 500) + 39.99 describes the monthly charge, c, in dollars in terms of m, the total number of minutes used. Which of the following statements best describes this function?

Asked In RRB MAN (12 years ago)

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(#M40022346) RRB QUESTION ALGEBRA Keep an EYE

Which of the following relations is a function?
a) I, II, and III only
b) I and II only
c) II and III only
d) III and IV only

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(#M40022345) RRB QUESTION ALGEBRA Keep an EYE

The sales tax rate at a clothing store is 8.75%. Sales tax on an item is a function of its price. Which of the following is the dependent quantity in this function?
a) The sales tax rate on the item
b) The items price
c) The amount of sales tax on the item
d) The items size

Asked In RRB MAN (12 years ago)

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(#M40022308) RRB QUESTION SET Keep an EYE

There are two thousand families living in a country. 900 families possess carsonly, 607 possess both cars and two wheelers and 100 families possess none.How many possess only two wheelers?

Asked In RRB MAN (12 years ago)

Solved S Mohammed Audhil Read Solution (4)

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