| 28130 | A certain essay consists of 12 paragraphs | Medium | |
| 28137 | A standard Veggiematik machine can chop 36 carrots in 4 minutes | Medium | |
| 28150 | Robet traveled a distance of 30 km, covering the first 10 km… | Medium | |
| 28172 | The 7th grade French and Spanish classes each have 12 students in… | Medium | |
| 28179 | If 2^x + 2^y = 10^0 + 90^0, where x and y… | Medium | |
| 28199 | If 2x-1 + 2x+1 = 1280, then find the value of x | Medium | |
| 28205 | The sequence of numbers a1, a2, a3, ..., an is defined by… | Medium | |
| 28210 | A fires 5 shots to B's 3 but A kills only once… | Medium | |
| 28217 | If n > 2, then the sum, S, of the integers from… | Medium | |
| 28218 | If 4x+y+z=80, 2x-y-z=400,3x+y-z = 20 for integers of x,y and z, find… | Medium | |
| 28224 | The number of people who purchased book A is twice the number… | Medium | |
| 28225 | 65 bags of nuts are to be divided among 13 students | Medium | |
| 28227 | Jim is twice as old as Stephanie, who, four years ago, was… | Medium | |
| 28230 | Which of the following is not the square of an integer | Medium | |
| 28231 | Rary spent 2⁄5 of her money on new clothes and then deposited… | Medium | |
| 28242 | find the number, difference between number and its 3/5 is 58 | Medium | |
| 28245 | The sum of the first 70 positive even integers is 4,970 | Medium | |
| 28246 | A certain clock marks every hour by striking a number of times… | Medium | |
| 28248 | When a certain tree was first planted, it was 4 feet tall… | Medium | |
| 28250 | The three competitors in a race have to be randomly chosen from… | Medium | |
| 28253 | In a certain encryption pattern, HARD is coded as 1357 and SOFT… | Medium | |
| 28254 | if 5x*x+14*x+k=0 having two reciprocal roots find the value of k | Medium | |
| 28260 | Which of the following numbers doesn't belong to the group | Medium | |
| 28267 | If a and b are different positive integers and a + b… | Medium | |
| 28273 | There are deer and peacocks in a zoo | Medium | |
| 28277 | 55th word of SHUVANK in dictionary | Medium | |
| 28284 | In 12 pumps can raise 1218 tons of water in 11 days… | Medium | |
| 28292 | If n is a positive integer such that n!/(n-2) | Medium | |
| 28293 | The sum of the first n positive perfect squares, where n is… | Medium | |
| 28309 | In the third grade of Windblown School there are 108 students, one… | Medium | |
| 28316 | Evaluate the expression [x : (y - 3)] ⋅ (-4) - [xy… | Medium | |
| 28322 | Nicky and Cristina are running a 300 meter race | Medium | |
| 28323 | Ifaequals the sum of the even integers from 2 to 20, inclusive… | Medium | |
| 28329 | Chang Li has pet cockroaches that multiply at the same rate every… | Medium | |
| 28334 | When a certain perfect square is increased by 148, the result is… | Medium | |
| 28336 | ABCDEFGHI is a regular polygon with nine sides | Medium | |
| 28338 | The maximum numbers of students among them 451 pens and 410 toys… | Medium | |
| 28340 | When is |x-14| = 14-x | Medium | |
| 28357 | If the reciprocals of two consecutive positive integers are added together, what… | Medium | |
| 28365 | If x, y, and z are consecutive odd integers, with x <… | Medium | |
| 28372 | The operation T is defined by x T y=1/x+1/y for all nonzero… | Medium | |
| 28377 | If p = ||q – 3| – 2|, for how many values… | Medium | |
| 28381 | g is a negative number and h is a positive number, which… | Medium | |
| 28388 | 5 years ago Kate was 5 times as old as her Son | Medium | |
| 28403 | Ages of two coworkers differ by 26 years | Medium | |
| 28419 | Out of three consecutive odd numbers nine times the first number is… | Medium | |
| 28422 | Let the second number be 3x, so that the first number is… | Medium | |
| 28423 | In a garden, trees are planted in rows | Medium | |
| 28429 | A number is trebled and 10 is added | Medium | |
| 28441 | A boy was asked to multiply a number by 25 | Medium | |