Number System, Problems on Number

A gym class can be divided into 8 teams with an equal number of players on each team or into 12 teams with an equal number of players on each team. What is the lowest possible number of students in the class?

If 5 students run a mile in 5 minutes, how much time will 50 students take to run a mile?

Out of the 30000 tickets for the cricket tournament Dhaka, 1/4 were sold at Tk. 300, 1/3 were sold at Tk. 250 and the rest were sold for Tk. 125. How many tickets were sold at Tk. 125?

There are 45 students in a certain class 2/3 of the students are girls and 1/2 of the girls are blue-eyed. How many blue- eyed girls are there in the class?

(0.003)² = ?

A number is as much greater than 31 as less than 55. Which of the following is that numbers?

On dividing a number by 5, we get 3 as remainder. What will be the remainder when the square of the number is divided by 5?

When each of the three numbers is divided by 5, the remainders are 0, 3 and 4 respectively. Which of the following could be the sum of the three numbers?

A student's marks were wrongly entered as 83 instead of 63. Due to the error the average marks for the class got increased by 0.5. Find the number of students in the class.

ভাজক ভাগফলের 10 গুণ, ভাজক 0.5 হলে ভাজ্য কত?

The difference of two number is 20% of the large number, if the smaller number is 20, then the larger number is:

The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller number?

What is the unit digit in the product 84 × 59 × 13 × 76?

A short distance athlete has taken 60 seconds to cover 100 meters. If he makes 30 steps in 9 seconds, how many steps has he taken in that time?

If 18 is 15 percent of 30 percent of a certain number, what is the number?

A student's marks were wrongly entered as 83 instead of 63. Due to the error the average marks for the class got increased by 0.5. Find the number of students in the class.

7589 - ? = 3434

Arafat has TK. 420. He purchased fifty mangoes and thirty oranges with the whole amount. He then chose to return six mangoes for nine oranges as both quantities are equally priced. What is the price of each Mango in Tk?

If X is the difference of the squares of two consecutive even numbers. Which of the following numbers is a divisor of X?

What is the difference between the 6 digit largest and smallest numbers?