Subject: Maths, asked on 17/5/18

Subject: Maths, asked on 18/4/18

## 3. 2 : 9 : : 64 : ? (A) 125 (B) 275 (C) 4225 (D) 576

Subject: Maths, asked on 31/3/18

## In this q. I took semicircle's area and added a the triangle's area and subtracted the sector's area but the ans. In wrong in this way . Why?: 14. AB and CD are respectively arcs of two concentric circles of raddii 21 cm and 7 cm and centre O (see Fig. 12.32). If $\angle$AOB=30o, find the area of the shaded region.  15. In fig. 12.33, ABC is a quadrant of a circle of radius 14 cm and a semicircle is drawn with BC as diameter. Find the area of the shaded region.

Subject: Maths, asked on 30/3/18

## In area of circles ch. The answers at back is written in fractions. Now i am confused what to do. If in my exams i write answer in decimals then teachers answer might not match. Also i divide everything in the begining so the teacher will not even get a link of my answer . What to do?

Subject: Maths, asked on 30/3/18

## Can't area of an equilateral triangle be found with 1/2 bh ? I tried in circles ch- but ans is coming wrong

Subject: Maths, asked on 30/3/18

## In mensuration chapters i am facing a lot of problems . Even if i memorise formulas due to some calculation error my answer keeps coming wrong. I am scared that in exams i will loose 10 marks from mensuration !!! Please tell me how to calculate more faster and correctly. I know practice is a very important thing but still the answers are not coming correct.

Subject: Maths, asked on 30/3/18

## How we get 21/4 ? Can we multiply in bracket and take 1/4 out?

Subject: Maths, asked on 29/3/18

## In exams can we use pages for rough work ? In maths exams the margins were too small to be used for rough work . I faced problems and also it took more time for calculation.

Subject: Maths, asked on 27/3/18

## Pls. answer Q25 ???? 25. In the given fig. OAB is a quadrant of radius 7 cm. Find the shaded area.

Subject: Maths, asked on 27/3/18

## Solve this : Q. In the given figure, the side of square is 28 cm and radius of each circle is half of the length of the sides of the square where O and O' are centres of the circles. Find the area of shaded region.

Subject: Maths, asked on 27/3/18

## Answer question number 5 fast as fast as you can please 5.  In the given figure, find the area of shaded region.

Subject: Maths, asked on 27/3/18

## Will approx values carry marks like if i get 14.28 and for examiner it is 14.25 will my my answer be wrong.

Subject: Maths, asked on 27/3/18

## ​in this type of questions how we get theta , if we multiply each value we get 7318080 but not 105. Please help

Subject: Maths, asked on 27/3/18

## Pls somebody ans.me question no. 25: 25. In the given figure, the side of square is 28 cm and radius of each circle is half of the length of the side of square where O and q are centre of the circles. Find the area of shaded region.

Subject: Maths, asked on 27/3/18

## Q An athlete track 21 m wide consists of two straight sections 150 m long joining semicircular ends whose diameter are 84 m each. Find the area of the track. (use $\mathrm{\pi }$=22/7 and $\sqrt{3}$=1.73)

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