A. 3:4
B. 4:3
C. 3:1
D. 1:3
4 πr2 : 3 πr2 => 4:3
Find the ratio between whole surfaces of a sphere and a hemisphere? Read More »
Mathematics Mcqs, Volumes A. 1 cm
B. 2 cm
C. 4 cm
D. 3 cm
The curved surface of a sphere is 64 π cm2. Find its radius? Read More »
Mathematics Mcqs, Volumes A. 74 π cm2
B. 36 π cm2
C. 48 π cm2
D. 24 π cm2
π * 12 * 4 = 48
A. 120 cm3
B. 40 cm3
C. 50 cm3
D. 60 cm3
πr2 = 30 h = 6
1/3 * 30 * 6 = 60
A. 12 π cm3
B. 6 π cm3
C. 8 π cm3
D. 10 π cm3
The radius of the base of cone is 3 cm and height is 4 cm. Find the volume of the cone? Read More »
Mathematics Mcqs, Volumes A. 1:2
B. 2:1
C. 1:4
D. 4:1
A. 360 cc
B. 60 cc
C. 300 cc
D. 36 cc
r1 = x r2 = 3x
Π * x2 * h = 40
Π9 x2h = 40 * 9 = 360
A. Rs.1185
B. Rs.1285
C. Rs.1385
D. Rs.1485
22/7 * 14 * 3/2 * 3/2 = 99 m2
99 * 15 = 1485
A. 308 sq cm
B. 220 sq cm
C. 440 sq cm
D. 132 sq cm
r = 7 h = 3
2πr(h + r) = 2 * 22/7 * 7(10) = 440
A. 30 π cc
B. 45 π cc
C. 150 π cc
D. 180 π cc
r = 3 h = 5
π * 3 * 3 * 5 = 45 π cc
