Questions asked by Bea

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• Jane can clean the living room in 3 hours, kai in 6 hours and dana in 8 hours. If they work together, in how many minutes can they clean the entire room?
  
• The top floor of the building is a rectangle whose perimeter is 320 feet. The width is 30 feet less than the length. What is the width of the rectangle?
  
• If n is an odd integer greater than 5, what is the smallest even integer greater than n?
  
• A triangle with sides 7cm, 8cm, and 9cm is formed by connecting the centers of the three circles that are tangent to each other. Which of the following is the circumference of the largest circle?
  
• If the perimeter of a square is equal to the perimeter of an equilateral triangle, what will be the possible ratio of their areas?
  
• If one milliliter is one cubic centimter, find the volume of water in a tin can of 5cm diameter and 10cm height. answers in terms of π and milliliters?
  
• If the radius of a cylinder is doubled and its height is quartered, what will be the percebt increase in its volume?
  
• What is the angle between the hands of the clock at 5:30 Pm?
  
• A car was travelling with a speed of 80 kph covers the same distance in 3 hours as a truck travelling with a speed of 60 kph does how in many hours?
  
• Danice wants to cover the floor in her living room in square tiles whose sides measures 12 inches. if the entire floor is 10 feet by 14 feet, how many such tiles does she need?
  
• The sum of the digits of a three numbers is 18, if the tens digit of the number is two-thirds the unit digit, and the units digits is thrice the hundreds digit, then which of the ff is the number?
  
• If x,y, and z were the angles of triangle such that x=2y and y= z-20 degrees, how many degrees are there in angle x?
  
• Find the equation of a line that passes through the point (5,-1) and has a slope equal to tan 135 degrees?
  
• Solve for x: log (5x-5)= 2 ?
  
• Given the point (6,-8) on the terminal side of ø in standard position, find the exact value of csc ø?
  
• Find the solution set of #sqrt(log(y+1))= log (y-1)# ?
  
• Convert #pi*r/18# to degrees ?
  
• Find the reference angle of 130° ?
  
• Find the equation of the circle with center at the origin and which passes through the point (3,4) ?
  
• Find the equation of the circle with center at the origin and which passes through the point (3,4) ?
  
• Express z= -√3+ 3i in polar form ?
  
• What is the perimeter of an equilateral triangle with an area of 100√3 square feet?
  
• Determine the value of x if (x+5),(2x-7) and (5x-23) form an arithmetic sequence?
  
• The legs of an isoseles triangle are equal to 25 inches each. if the altitude to the base is 7 inches long, find the area of the triangle?
  
• Three numbers form a arithmetic sequence whose common difference is 3. if the numbers are increased by 2,5,& 9, respectively, the resulting numbers form a geometric sequence. which of the following gives the common ratio of the resulting geometric sequen?
  
• What is the sum of the first 20 positive integers?
  
• She earns basic salary of 15000 per month + a monthly commision based on sales. she recieves 1% commission for sales from 100000 to 250000 and 5% commission for sales above 250000. if she earns a total of 25000 on march, how much was her total sales?
  
• Which of the following is the equation of the circle whose endpoints of diameter lie on (-2,4) and (4,-8)?
  
• The lengths of the sides of a traingle are 14 and 16. which of the following is a possible value of the perimeter of the given triangle?
  
• Which of the following lines is perpendicular to the line y=5 and has the same x-intercept as the line y= x+3?
  
• Jc is five years older than Sofia. In 12 years, Sofia will be thrice as old as Jc was three years ago. How old are they now?
  
• At what time after 7:00 pm will the hands of the clock be opposite to each other?
  
• Find the area of the triangle ABC with sides 15cm, 15 cm and 24 cm?
  
• If two lines, L1 and L2, which lie in the same plane, are both perpendicular to a third line L3, in the same plane as the first two, what do we know about L1 and L2?