Question
In a college, 72% of the student could cast their votes
and none of the votes cast were invalid. Only two students were contesting the elections and the ratio of the votes was 2:4. If the winning candidates received 3744 votes, what is the number of students in the college?ÂSolution
Ratio of the voters = 2: 4 Let voters = 2x, 4x 4x = 3744,  x = 936 2x = 2 x 936 = 1872 72 % = (4x + 2x) = 5616 100 % = 3900Â
Which of the following substance produces brisk effervescence when treated with baking-soda solution?
Which of the following metals can displace hydrogen from dilute acids?
When the electric impulse travels along the axon and reaches the other end called the synaptic terminal, this impulse triggers the release of
With the increase of the effective nuclear charge, the size of the atom or ionÂ
A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments –
Proteins are assembled from how many amino acids?
What is the boiling point of water in Celsius?
Group number and valency have no relation in
In an n-type silicon, which of the following statements is true:
Heat from the sun reaches earth by the process of –