## A few sample questions from the CBSE Class 10 Mathematics sample paper 2019 are given below:

**Q. **Find the value of k, for which one root of the quadratic equation kx^{2} – 14x + 8 = 0 is 2.

**Q.** If nth term of an A.P. is (2n+1), what is the sum of its first three terms?

**Q.** The HCF and LCM of two numbers are 9 and 360 respectively. If one number is 45, find the other number.

**Q. **Places A and B are 80 km apart from each other on a highway. A car starts from A and another from B at the same time. If they move in same direction they meet in 8 hours and if they move towards each other they meet in 1 hour 20 minutes. Find the speed of cars

**Q.** In ∆ABC, if AD is the median, then show that AB^{2 }+ AC^{2} = 2(AD^{2}+BD^{2})

Q. Water is flowing at the rate of 15 km per hour through a pipe of diameter 14cm into a rectangular tank which is 50 m long and 44 m wide. Find the time in which the level of water in the tank will rise by 21 cm.