6
Q:

# What is the total surface area of a right circular cone of height 14 cm and base radius 7 cm?

 A) 344.35 sq.cm B) 462 sq.cm C) 498.35 sq.cm D) None of these

Explanation:

h = 14 cm, r = 7 cm.

So, l =

Total surface area = $πrl+πr2$ =

=$1545+1$

= (3.236 x 154) sq.cm

= 498.35 sq.cm

Q:

 A) 3422 B) 3852 C) 2464 D) 3550

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

3 10797
Q:

What is the measure of an interior angle of a regular polygon of 8 sides?

 A) 140 B) 144 C) 135 D) 150

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 4347
Q:

Find the volume (in cm3) of a right circular cone of diameter 7 cm and height 7 cm.

 A) 69.06 B) 16.43 C) 11.15 D) 89.83

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 6900
Q:

∆PQR is right angled at Q. If m∠P = 60 deg, then find the value of (secR + 1/2).

 A) (2√2+√3)/2 B) (√3+4)/2√3 C) √3+2 D) 5/6

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 3318
Q:

Find the volume (in cm3) of a hemisphere of diameter 7 cm.

 A) 77 B) 63 C) 89.83 D) 54.13

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

0 3225
Q:

In ΔPQR measure of angle Q is 90 deg. If tanP = 24/7, and PQ = 14cm, then what is the length (in cm) of side QR?

 A) 50 B) 20 C) 26 D) 48

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

1 307
Q:

Find the surface area (in sq.cm) of a sphere of diameter 14 cm.

 A) 616 B) 4699 C) 8628 D) 6922

Explanation:

Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

3 6712
Q:

If the edge of a cube is increased by 3 cm, the volume will increase by 657 cub.cm. What then is the original length of each edge of the cube?

 A) 9 cm B) 6 cm C) 8 cm D) 7 cm