## Tricks to solve Volume and Surface Area Problems

CUBOID Let length = l, breadth = b and height = h units. Then Volume = (l x b x h) cubic units. Surface area = 2(lb + bh + lh) sq. units. Diagonal = l2 + b2 + h2 units. CUBE Let each edge of a…

## Tips and Tricks on H.C.F and L.C.M

Factors and Multiples:If number a divided another number b exactly, we say that a is a factor of b.In this case, b is called a multiple of a. Highest Common Factor (H.C.F.) or Greatest Common Measure (G.C.M.) or Greatest…

## Easy Tricks to Solve Problems on Ages

Important Formulas on “Problems on Ages” : 1. If the current age is x, then n times the age is nx. 2. If the current age is x, then age n years…

## LCM AND HCF-Aptitude Tricks

LCM and HCF tricks, problems and formulas  LCM i.e. Least Common Multiple is a number which is multiple of two or more than two numbers.…

## Important Notes for Class 12 – Solid State

Revision Notes for Solid State  HCP and CCP have equal ef ciency i.e., 74% of space is occupied and coordination number is 12. CCP arrangement has…

## बोर्ड परीक्षा के लिए महत्वपूर्ण प्रश्न – जीव विज्ञान

बोर्ड परीक्षा में अच्छे अंक लाने के लिए निरंतर अभ्यास बहुत ज़रूरी है | इस article में जीव  विज्ञान से सम्बंधित सभी महत्वपूर्ण प्रश्न डाले…

## Important Questions Maths for Class 10 Board Exams

The best way to escape the exam fear is “Practice“. Practice all the questions given below for Maths and this will help you solve all…

## Chapter-wise important notes science (Physics) for Board Exams

The best way to escape the exam fear is “Practice“. Practice all the questions given below for physics will you solve all the questions that will…

## Important Questions for Class XII Board Exam – Physics – II

This article contains all the important theoretical questions for Physics – Class 12 CBSE Board Exam. The questions has been distributed chapter-wise. Set of these…