Number System, Problems on Number

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

Mr. A has won an election by a vote of 250 to 150. What part of the total vote was against him?

If x and y are consecutive positive integers, which of the following must be an even integer?

3.003/2.002 = ?

1 বিলিয়ন = কত কোটি?

Two baskets together have 640 oranges. If one-fifth of the oranges in the first basket be taken to the second basket then, numbers of oranges in both baskets become equal. The number of oranges in the first basket is-

Which of the following is a perfect square?

28 is divided into two parts such that 6 times the first part added to 4 times the second part makes 152. The first part is-

The least number by which 1470 must be divided to get a number which is a perfect square is-

Two number differ by 5. If their product is 336, then the sum of the two numbers is

Sum of 10 integer is 462. The average of first 4 number is 52 and the average of last 5 number is 38. What is the fifth number?

When x is divided by 7, the remainder is 6. Which of the following must be an even number?

Find the highest common factor of 36 and 84.

The sum of the first five prime number is:

How many positive integers less than 100 are neither multiples of 2 or 3?

In a class of 60, 32 studied English, 28 studied Bengali and 6 did not study either. How many of the students studied both?

The value of 1001 ÷ 11 of 13 is :

A shopper spends Tk. 1,000 to purchase CDs at Tk. 20 each. The next day, the disks go on sale for Tk. 16 each and the shopper spends Tk. 2,400 to purchase more CDs. What was the average price per disk purchased?

Sum of 4 consecutive even numbers is greater than three consecutive odd numbers by 81. If the sum of the least odd and even numbers is 59 then find the sum of largest odd and even numbers -

A glass when full of milk, weighs 1 kg. It weighs 0.75 kg when the glass is half full. What is weight of the empty glass?