Advertisements
Advertisements
Question
The cost of one pen is ₹ 8 and it is available in a sealed pack of 10 pens. If Swetha has only ₹ 500, how many packs of pens can she buy at the maximum?
Options
10
5
6
8
Advertisements
Solution
6
Explanation;
Hint:
Price of 1 pen = ₹ 8
Price of 1 pack = 10 × 8 = 80
Number of packs Swetha can buy = x
80x < 500
8x < 50
x < `50/8` = 6.25
x is a natural number x = 1, 2, 3, 4, 5, 6
APPEARS IN
RELATED QUESTIONS
Solve the following equation:
`(3"x" + 2)/("x" - 6) = -7`
Solve: `"2x"/3 - ("x" - 1)/6 + ("7x" - 1)/4 = 2 1/6` Hence, find the value of 'a', if `1/"a" + 5"x" = 8`
Separate 178 into two parts so that the first part is 8 less than twice the second part.
A rectangle’s length is 5 cm less than twice its width. If the length is decreased by 5 cm and width is increased by 2 cm; the perimeter of the resulting rectangle will be 74 cm. Find the length and width of the origi¬nal rectangle.
Solve: `"x" + 7 - "8x"/3 = "17x"/6 - "5x"/8`
Solve:
`(x + 2)/6 - ((11 - x)/3 - 1/4) = (3x - 4)/12`
Solve: `"x" - ("x" - 1)/2 = 1 - ("x" - 2)/3`
The numerator of a fraction is 5 less than its denominator. If 3 is added to the numerator, and denominator both, the fraction becomes`4/5`. Find the original fraction.
Solve the following inequation
4x – 9 > – 33, where x is a negative integer
Solve the following inequalities
4n + 7 ≥ 3n + 10, n is an integer
