Number System, Problems on Number

Which of the following is the largest fraction?

If x = 12, which of the following has the least value? 

3/8 of all applicants for a job are male. 3/4 of all applicants are rejected in the first round including 2/3 of all male applicants. What fraction of applicants remaining after the first round are male?

Of the 50 researcher in a workgroup 40% will be assigned to team A and the remaining 60% to team B. However 70% of the researcher prefers team A and 30% prefers team B. What is the least possible number of researchers who will not be assigned to the team they prefer?

If k is an integer, what is the smallest possible value of k such that 1,040k is the square of an integer?

সবচেয়ে বড় সংখ্যা কোনটি?

Which one of the following fractions is closest to 1/4?

If P/Q < 1, and P and Q are positive integers, which of the following must be greater than 1?

The square root of (272² - 128²) is:

The sum of squares of two numbers is 80 and the square of difference between the two numbers is 36. Find the product of two numbers.

What is the largest number of mangoes not exceeding 440 that can be distributed among three persons in the proportions 5 : 6 : 7?

What is the least number when divided by 4, 5 and 6 leaves in each case a remainder of 3?

A monkey climbs a 12 meters-high slippery pillar. In his first minute, he climbs 2 meters, and in the next minute, he slip one meter down. In this way, how much time will he take to reach the top of the pillar?

A rectangular block 6 cm by 12 cm by 15 cm is cut up into an exact number of equal cubes. Find the least possible number of cubes.

The sum of the two numbers is 22. Five times one number is equal to 6 times the other. The bigger of the two numbers is:

The value of 0.1 x 0.1 is-

What is the probability that an integer selected at random from those between 10 and 100 inclusive is a multiple of 5 or 9?

How many pieces of 85 cm length stick can be cut from a 42.5 meters long stick?

Which one of the following fractions is greater than 1/2? 

(০.২)^২ ÷ (০.১)^৩ = কত?