Mathematics
If the volume of two spheres is in the ratio 27: 64, then the ratio of their radii is:
3 : 4
4 : 3
9 : 16
16 : 9
Related Questions
Assertion (A): If sin2 A + sin A = 1 then cos4 A + cos2 A = 1.
Statement 2: 1 - sin2 A = cos2 A
(A) is true, (R) is false.
(A) is false, (R) is true.
Both (A) and (R) are true, and (R) is the correct reason for (A).
Both (A) and (R) are true, and (R) is the incorrect reason for (A).
In the given diagram ΔABC ∼ ΔEFG. If ∠ABC = ∠EFG = 60°, then the length of the side FG is:

15 cm
20 cm
25 cm
30 cm
The marked price of an article is ₹1,375. If the CGST is charged at a rate of 4%, then the price of the article including GST is:
₹55
₹110
₹1,430
₹1,485