Number System, Problems on Number

If x is an integer and y = - 2x - 8 what is the least value of x for which y is less than 9?

The numbers 11, 12, 14, x - 2, x + 4, x + 9, 32, 38, 47 are arranged in ascending order and the median is 24; find x.

If One-third of one-fourth of a number is 15, then three-tenth of that number is:

Two numbers are in the ratio 2 : 5. If 16 is added to both the numbers, their ratio becomes 1 : 2. The numbers are

Of 30 applicants for a job, 14 had at least 4 years experience, 18 had degrees, and 3 had less than 4 years experience and did not have a degree. How many of the applicants had at least 4 year's experience and a degree?

If n - 5 is an even integer, what is the next large consecutive even integer?

একটি পেন্সিলের দাম 10 টাকা ও একটি কলমের দাম 20 টাকা। যদি মিতার 100 টাকা থাকে তবে কতগুলো পেন্সিল ও কলম কিনতে পারবে?

What is the largest number that divides 84, 144 or 36 without any remainder?

The expression (11.98 × 11.98 + 11.98 × Q + 0.02 × 0.02) will be a perfect square for Q = 

Quantity in A : 1 - (1/27) and Quantity B : (8/9) + (1/81)

What is the minimum number of chocolate that must be added to the existing batch of 260 chocolate, so that the total batch can equally be divided among 3, 4 or 6 person?

I we double a certain number and add 30 to it, we get the same value as four times that number. What is the value of thrice the number?

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?

The sum and difference of the L.C.M and H.C.F of two numbers are 592 and 518 respectively. If the sum of the numbers be 296, find the product of the numbers.

If k is an integer and k = 462/n, then which of the following could be the value of n?

x^-3 - 0.001 = 0 হলে x² = ?

Shanto was asked to find the value of 7/12 of a sum of money. Instead of multiplying the same by 7/12, he divided it by 7/12 and his answer exceeded the correct answer by 95. The correct answer is

If x and y are positive integers, each greater than 1, and if 13(x - 1) = 17(y - 1), what is the least possible value of (x + y)?

12.1212 + 17.0005 - 9.1102 = ?

What is the value of 0.001/(0.1×0.1)?