## Question

`The sum of the two numbers is 25. If one of the numbers is 10, what is the other number?`

`The sum of the two numbers is 25. If one of the numbers is 10, what is the other number?`

A. 17

B. 35

C. 12

D. 15

**Answer: D. 15**

**Solution:**

Let, one number be x & other be y

Given, x + y = 25. — (1)

x = 10 put the value of x in eq.1

10 + y = 25

y = 25 – 10 = 15

**Y= 15.**

**Hence, the answer is 15.**

**Related Question**

**Two numbers are in the ratio 2 : 3. If their L.C.M. is 48. what is sum of the numbers?**

**What is the greatest number of four digits which is divisible by 15, 25, 40 and 75 ?**