Mohit Bhardwaj
tih***@gmail.com
Member since: Jan 2025
Questions Submitted
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If $\sqrt{3} sin \theta = cos \theta$ , then value of $\theta$ is:
If $\sqrt{3} sin \theta = cos \theta$ , then value of $\theta$ is: a) $\sqrt{3}$b) $6...
Posted on 13 Mar, 2025 -
To calculate mean of a grouped data, Rahul used assumed mean method. He used d = (x - A), where A is assumed mean. Then $\bar{x}$ is equal to
To calculate mean of a grouped data, Rahul used assumed mean method. He used d = (x - A), where A is...
Posted on 13 Mar, 2025 -
If the sum of first n terms of an A.P. is given by $S_n = \frac{n}{2} (3n + 1)$, then the first term of the A.P. is
If the sum of first n terms of an A.P. is given by $S_n = \frac{n}{2} (3n + 1)$, then the first ter...
Posted on 13 Mar, 2025 -
In $\triangle ABC, \angle B= 90°$. if $\frac{AB}{AC} = \frac{1}{2}$, then $cos$ $C$ is equal to
In $\triangle ABC, \angle B= 90°$. if $\frac{AB}{AC} = \frac{1}{2}$, then $cos$ $C$ is equal to...
Posted on 13 Mar, 2025 -
The volume of air in a hollow cylinder is $450 cm^3$. A cone of same height and radius as that of cylinder is kept inside it. The volume of empty space in the cylinder is
The volume of air in a hollow cylinder is $450 cm^3$. A cone of same height and radius as that of cy...
Posted on 13 Mar, 2025
Answers Submitted
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Normal conversation = 60 dB
Answered on 19 Apr, 2025
A car horn is 6 times louder
Rule: Every 3 dB increase ≈ 2...