The volume of a solid cylinder is 80,850 cm³ and its height is 21 cm. What is the total surface area of the solid cylinder?

\(\left(\text{Use } \pi = \frac{22}{7}\right)\)

Which amendment act increased the Lok Sabha seats from 525 to 545?

Simplify: \(\frac{1.2 \times 1.2 \times 1.2 - 0.12 \times 0.12 \times 0.12}{12 \times 12 \times 12}\)

Seven people H, I, J, K, O, P and Q are sitting around a circular table facing the center of the table. I sits third to the left of K. J sits second to the left of P. K is an immediate neighbour of both H and J. Q is not an immediate neighbor of I. How many people sit between O and J when counted from the right of O?

Who has written the book ‘Beyond the Syllabus: The Real-Life Guide for Teenagers Who Want More than Just Marks’, published in July 2025?

If ‘A’ stands for ‘÷’ , ‘B’ stands for ‘x’, ‘C’ stands for ‘+’ and ‘D’ stands for ‘-‘ , what will come in place of the question mark ‘?’ in the following equation? 6 B 2 D 14 A 7 C 2 = ?

What determines the amount of water reabsorbed during the formation of urine in human kidneys?

Select the pair that follows the same pattern as that followed by the two set of pairs given below. Both pairs follow the same pattern.

OKN−JFI

GCF−BXA

When a blood vessel is injured, ______ help(s) to plug the leak by clotting the blood.