- 3i Infotech
- Accent Infotech
- Accenture
- Aditi
- Aditi Technology
- AIEEE
- Alcatel Lucent
- Aricent
- AXIS Bank
- Blue Star
- Capgemini
- Caritor
- CAT
- CBSE X Class
- CISCO
- CoCube
- Convergys
- CSAT
- CSC
- CTS
- Cyient
- Delphi
- FCI
- GATE
- GENPACT
- GMAT
- Grapecity
- GRE
- HCL
- HDFC
- IBM
- IBPS
- ICICI Bank
- IDFC
- IFlex
- iGATE
- INFOSYS
- Inter Globe Technologies
- JEE
- Kanbay
- L & T Infotech
- Macfee
- Mahindra Satyam
- Mascot
- MBT Mahindra British Telecom
- Microsoft
- Mindtree
- Mphasis
- National Talent Exam
- NDA
- NFL
- Oracle
- Protech
- RBI
- RRB
- RS Software
- SBI
- Sonata
- SSB
- SSC
- Syntel
- TCS
- Tech Mahindra
- UGC-Net
- WIPRO
- ZENSAR

- Alligation and Mixtures
- Alphabet Series
- Area
- Arithmetic Progression (AP)
- Average Speed
- Averages
- Blood Relationship
- Boats and Streams
- Bridge Crossing
- Calendar
- Chord
- Circle
- Circular Pizza Cut
- Circular Seating Arrangement
- Circular Track
- Clock
- Coding Decoding
- Coin Flipping
- Commission
- Compound interest
- cost Price
- Crypt arithmatic
- Cryptography
- Cube
- Data Interpretation
- Data Sufficiency
- Directions
- Discount
- Divisibility Rule
- Equation Solving
- Fraction
- Function Solving
- Geography
- Geometric Progression
- Geometry
- H.C.F. & L.C.M.
- Latitude
- Longitude
- Loss
- Number Series
- Numbers
- odd man out
- Percentage
- Perimeter
- Permutation and Combination
- Pipes and cisterns
- Probability
- Problem on ages
- Profit
- Puzzle
- Ratios and proportions
- Reasoning
- Rectangle
- Relative Speed
- Right Angled Triangle
- Seating Arrangement
- Selling Price
- Simple Interest
- Simplication
- Speed time distance
- Successive Discount
- Syllogism
- Symbol Change
- Synonym
- Time and work
- Train Problem
- Triangle
- Venn diagram

Video Class
There are two cubes (A, B). Each of it is cut into 64 pieces .

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are not painted black?

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are not painted black?

Video Class
There are two cubes (A, B). Each of it is cut into 64 pieces .

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are one side painted black?

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are one side painted black?

Video Class
There are two cubes (A, B). Each of it is cut into 64 pieces .

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are two sides painted black?

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are two sides painted black?

Video Class
There are two cubes (A, B). Each of it is cut into 64 pieces .

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are three sides painted black?

From the front face of cube A cubes on both the diagonal are removed.

Same is repeated to cube B.

Now cube A is placed over cube B to form a rectangular cuboid and painted black.

The number of cubes that are three sides painted black?