Exams

$$\begin{gathered} Cos2 90° + Cosec2 90° - Cot2 45° = ? \\ \end{gathered}$$

The vast amount of sea weeds present in oceans may produce an endless source of

Using the sequence VWY9PONI5FSLUDTG61AJ, find the term missing from the following series.

YP, ___, 5S, LD

Isotopes have ______.

I. similar physical quantities and different chemical properties

II. different physical properties

III. similar chemical properties

A cuboid shaped wooden block has 6 cm length, 4 cm breadth and 1 cm height.
Two faces measuring 4 cm x 1 cm are coloured in black.
Two faces measuring 6 cm x 1 cm are coloured in red.
Two faces measuring 6 cm x 4 cm are coloured in green.
The block is divided into 6 equal cubes of side 1 cm (from 6 cm side), 4 equal cubes of side 1 cm(from 4 cm side).

How many cubes will have green colour on two sides and rest of the four sides having no colour ?

If a=2b/3, b=2c/3, and c=2d/3, then find the ratio of b and d:

An electron loses potential energy when it

In the following question, select the related number from the given alternatives.

5 : 124 : : 6 : ?