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Mock Tests
Code-T23550 Inverse Trig. Ch.2 (Complete)Test-2 (XII CBSE MATHS)
10
Questions
40 Minutes
30
Marks
No
Negative
Sumit Agnihotri
Published on 24 May 2021
Purnima Thatey
Published on 26 Jan 2022
Sumit Agnihotri
Published on 26 Jul 2021
Blogs
1. Average refers to the sum of numbers divided by n. Also called the mean average.
Average Formula = Sum of observations/ Number of observations
Some important properties of average are:
When the difference between all the items is same (and the number of terms is odd), then...
Published: 23 Jul 2019
1. Concept of percentage : Percent implies “for every hundred” and the sign % is read as percentage and x % is read as x per cent. In other words, a fraction with denominator 100 is called a per cent. For example, 20 % means 20/100 (i.e. 20 parts from 100). This can also be written ...
Published: 06 Aug 2019
Problems on Ages (Quick Tips and Tricks)
1) If the current age of a person be X, then
- age after n years = X + n
- age n years ago = X – n
- n times the age = nX
- If ages in the numerical are mentioned in ratio A : B, then A : B will be AX and BX
2) If sum of ages...
Published: 28 Sep 2019