14.04.2015 Views

Marking Scheme

Marking Scheme

Marking Scheme

SHOW MORE
SHOW LESS

You also want an ePaper? Increase the reach of your titles

YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.

Appropriate figure and description.<br />

A<br />

SRE-109<br />

16<br />

1<br />

B<br />

C<br />

√<br />

1<br />

BC = 180 m 1<br />

The diameter of the meadow = 360 m 1<br />

17 Radius of the base of the solid (<br />

Height of the cone 1<br />

Slant height of the cone<br />

√<br />

1<br />

18<br />

C.S.A. of the solid object 1<br />

C.S.A. of the solid object 1<br />

Area of base of the given pyramid (A)<br />

Volume of the given pyramid (V) =<br />

√<br />

1<br />

1<br />

1<br />

19 A and B can do part of work in 1 day. 1<br />

A alone finish part of work in 1 day 1<br />

B alone can finish work in 1 days. 1<br />

B alone can do the whole work in 45 days 1<br />

20 Let the marked price be = Rs<br />

Selling price, after discount =<br />

1<br />

1<br />

Adding 15% of VAT =<br />

1<br />

By question,<br />

1<br />

5

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!