**Class 10 Math Important Questions-** In this post, we are going to provide you 10 most important questions of Math exam. You should be knowing answers to these questions in all likelihood to score good marks in Class 10 board Math exam.

**CBSE 2018 Class 10 Sample Papers- Latest Syllabus- Free Download**

**Class 10 Math Important Questions**

- If Sn denotes the sum of n terms of an AP whose common difference is d and 1st term is a. Find Sn – 2Sn – 1 + Sn – 2 .
- A sector of circle of radius 12 cm has the angle 120⁰ . It is rolled up so that the two bounding radii are formed together to form a cone. Find the volume of the cone.
- For the lunch, the food is kept in 3 cylindrical containers of diameter 1.4 m and height 56 cm. How many students can be served if the food is served twice with a hemispherical bowl of radius 14 cm?
- In the given fig. OD is perpendicular to the chord AB of a circle whose centre is O. If BC is a diameter, find measure of angle ????.
- Find length of boundary and area of shaded portion only, if OA= OB= OC= OD= 14cm
- Water flows out through a cylindrical pipe of internal diameter 7 cm at the rate of 36 km/h. Calculate the time in second, it would take to fill a cylindrical tank, the radius of whose base is 35 cm and height 1 m.
- A motor boat whose speed is 18 km/h in still water takes 1 hr more to go 24 km upstream than to return downstream to the same spot. Find the speed of stream.
- If m times the mth term of an AP is equal to n times its nth term, find its (m + n)th term.
- A natural number, when increased by 12, becomes equal to 160 times its reciprocal. Find the number.
- In the given fig. AB and CD are common tangents to two circles of unequal radii. Prove that AB = CD.

**How to Score Good Marks in 10th Board Exams**

**If you are solving any of these questions, feel free to book a free session with one of Math tutors. **

If you have any questions regarding these or any other questions, feel free to post them in the comment section below.

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## More related readings

**CBSE 2018 Class 10 Sample Papers- Latest Syllabus- Free Download**

**How to Score Good Marks in 10th Board Exams**

**CBSE 2016 Solved Question Papers for Class 10 Free Download**

**CBSE 2017 Solved Question Papers for Class 10 Free Download**

**CBSE Class 10 Syllabus 2017-18 pdf**

**Best Reference Books for Class 10 CBSE 2017-18**

**Time Table for Study for 10th Class**

**Social Science Class 10 Important Questions**

**Important Questions for Class 10 Math**

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Ten important questions in mathematics of class 10 is appreciated.

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what is the importance of these questions?? do they often appear in exams or is it just for practice???

These questions in one form or other often come in the exams

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What is the answer of first question???

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In 4 question what we have to find

measure of the angle CAOD

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Answers for the above question

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