Practice Test


Q1) What is the maximum number of identical pieces a cube can be cut into by 3 cuts? Show Answer


Q2) What is the maximum number of identical pieces a cube can be cut into 4 cuts? Show Answer


Q3) A cube is cut parallel to one face by making 10 cuts [such that all the resulting pieces are identical].
What is the maximum number of identical pieces that can be obtained by now making two more cuts (in any direction)? Show Answer


Q4) What is the maximum number of identical pieces a cube can cut into by 13 cute? Show Answer


Q5) What is the least number of cuts required to cut a cube into 24 identical pieces? Show Answer


Q6) How many small cubes are there without any face painted? Show Answer


Q7) How many small cubes are there with at least two different colours on their faces? Show Answer


Q8) How many small cubes are there with exactly one face painted red? Show Answer


Q9) How many small pieces have black colour on their faces? Show Answer


Q10) How many small pieces have at least two different colours on their faces? Show Answer


Q11) How many small pieces have only one face painted? Show Answer


Q12) How many small pieces have no colour on their faces? Show Answer


Q13) How many of the small cubes have exactly two faces painted ? Show Answer


Q14) How many of the small cubes have no face painted? Show Answer


Q15) How many of the small cubes have exactly one face painted? Show Answer


Q16) What is the maximum number of identical pieces a cube can be cut into by 7 cuts? Show Answer


Q17) What is the least number of cuts required to divide a cube into 120 identical pieces? Show Answer


Q18) What is the maximum number of identical pieces into which a cube can be divide by 12 cuts? Show Answer


Q19) What is the maximum number of identical pieces a cube can cut into by 6 cuts? Show Answer


Q20) What is the maximum number of identical pieces a cube can be cut into by 5 cuts? Show Answer


Q21) What is the least number of identical cuboids, each of dimensions 2 cm x 4 cm x 5 cm, that are required to form a cube? Show Answer


Q22) 125 small but identical cubes have been put together to form a large cube. How many more such small cubes will be required to cover this large cube completely? Show Answer


Q23) 64 smaller but identical cubes are placed on a table to form a large cube. How many more such smaller cubes are now required to enclose this large cube placed on the table completely? Show Answer


Q24) A cube of side 6 cm has been cut into 64 smaller but identical cubes. If it was estimated that it would take 4 litres to paint to paint all the faces of the original cube, then how much paint is required to paint all the faces of all the smaller cubes? Show Answer


Q25) 125 small but identical cubes are put together on a table to form one large cube. A knife is passed through this cube starting along one edge of the top face to the diagonally opposite edge on the bottom face. How many of the small cubes are cut by this knife? Show Answer


Q26) Each of a cube is painted either white or black. In how many different ways can be the cube be painted? Show Answer


Q27) A cube is cut into smaller but identical cubes such that the edges small cube are integers. It was found that a particular cube X could be cut into 27 identical cubes or 64 identical cubes. What is the largest number of small, but identical cubes, that can be cut from X, if X has the least possible dimension? Show Answer


Q28) How many of the smaller cubes have no face painted at all? Show Answer


Q29) How many of the smaller cubes have exactly one face painted? Show Answer


Q30) How many of the smaller cubes have exactly two faces painted? Show Answer


Q31) How many of the smaller cubes have exactly three faces painted? Show Answer


Q32) How many smaller cubes are painted in exactly one colour? Show Answer


Q33) How many smaller cubes are painted in green ? Show Answer


Q34) How many smaller cubes are painted in exactly three colours? Show Answer


Q35) How many smaller cubes are painted in only red and blue? Show Answer


Q36) How many small cubes are there with no red paint at all? Show Answer


Q37) How many small cubes are there with at least two different colours on their faces? Show Answer


Q38) How many small cubes are there without any face painted? Show Answer


Q39) How many small cubes are there with only red and green on their faces? Show Answer


Q40) How many small cubes are there showing only green or only blue on their faces? Show Answer


Q41) How many small cubes are there with no red paint at all? Show Answer


Q42) How many small cubes are there with at least two different colours on their face ? Show Answer


Q43) How many small cubes are there with one face painted red? Show Answer


Q44) How many small cubes are with both red and green on their faces? Show Answer


Q45) How many small cubes are there showing only green or only blue on their faces? Show Answer


Q46) How many of the smaller cubes have no faces painted at all? Show Answer


Q47) How many of the smaller cubes have exactly one face painted? Show Answer


Q48) How many of the smaller cubes have exactly two faces painted ? Show Answer


Q49) What is the least number of the smaller cubes that will have exactly three faces painted? Show Answer


Q50) How many of the smaller cubes have exactly two faces painted? Show Answer


Q51) What are the least and the largest numbers of small cubes that have exactly one face painted? Show Answer


Q52) What is the least number of small cubes that have exactly one face painted red and no other face painted? Show Answer


Q53) What is the maximum numbers of small cubes that have one face painted green and one face blue and no other face painted? Show Answer


Q54) What are the least and the maximum numbers of cubes that have no face painted at all? Show Answer


Q55) How many smaller cubes was the original large cube cut into? Show Answer


Q56) How many small cubes have exactly one face painted? Show Answer


Q57) How many small cubes have exactly two faces painted? Show Answer


Q58) How many small cubes have three faces painted? Show Answer


Q59) It was found that a cube can be cut into certain number of identical cuboids each measuring 1 cm x 2 cm x 5 cm. What is the side of the smallest such cube? How many such cuboids can be formed from such a cube? Show Answer


Q60) If a cube is cut by three planes parallel to the faces to yield the maximum number of identical pieces, then what is the percentage increase in the total surface area? Show Answer


Q61) 343 smaller but identical cubes are put together to form a large cube. A knife is passed through one side AB of top face ABCD to the diagonally opposite edge of the bottom face. The knife is then again passed through the side CD of top face to the diagonally opposite edge of the bottom face ? How many of the smaller cubes are not by the Knife at all? Show Answer


Q62) What is the total number of distinct corners from where red and blue colours are visible? Show Answer


Q63) What is the total number of ways in which all three colours can be seen? Show Answer


Q64) What is the total number of distinct posible combinations of three colous that can be seen? Show Answer


Q65) What is the total number of distinguishably different ways in which the sum of the numbers on the visible faces of both the cubes together is 20? Show Answer


Q66) What is the total number of distinguishably different ways in which the sum of numbers on visible faces is exactly 10 on at least one die? Show Answer


Q67) What is the total number of ways in which a specified number is visible on both the dice? Show Answer


Q68) What is the maximum possible sum of the values on the faces that can be seen? Show Answer


Q69) For a specified number to appear on the front face of both the cubes (Designate the three faces that can be seen as top, front and side) what is the number of ways in which the cubes can be placed? Show Answer


Q70) What is the total number of ways in which the blue colour is not seen at all when the cube is kept on a table? Show Answer


Q71) What is the total number of ways in which two faces painted blue are seen? Show Answer


Q72) What is the total number of ways in which exactly one face painted blue is seen? Show Answer


Q73) How many small pieces have White colour on their faces? Show Answer


Q74) How many small pieces have at least two different colours on their faces? Show Answer


Q75) How many small pieces have no colour on their faces? Show Answer


Q76) How many small pieces have only one face painted? Show Answer


Q77) Totally in how many different ways can the cube be painted? Show Answer


Q78) In how many different ways can the cube be painted with at least two faces blue ? Show Answer


Q79) In how many different ways can the cube be painted such that all three colours are there on the cube? Show Answer


Q80) In how many different ways can the cube be painted such that no two adjacent faces have the same colour? Show Answer


Q81) The two cubes are placed next to each other on the table touching each other such that , whether the positions of P and Q are interchanged or left as they are, the two faces of P and Q touching each other are of the same colour. If the top faces of both P and Q have to be of the same colour, then which of the following must be true? Show Answer


Q82) Q is placed on the top of P such that no Blue face of either cube is horizontal. If Brown and Blue are the front faces of P and Q respectively, then which of the following statements must be false? Show Answer


Q83) If cube Q is kept behind cube P in such a way, that the Yellow face of P faces the Brown face of cube Q and the faces touching the table are of Red and Black colours, then which faces of both the cubes have same colour? Show Answer


Q84) 64 small but identical cubes have been put together to form a large cube. How many more such small cubes will be required to cover this large cube completely? Show Answer


Q85) What is the number of the smaller cubes that have exactly two colours on them? Show Answer


Q86) What is the number of the smaller cubes that have no face painted at all? Show Answer


Q87) What is the number of the smaller cubes whose at least one face is painted Red? Show Answer


Q88) What is the least number of identical cuboids, each of dimensions 3cm x 5cm x 7cm, that are required to form a cube? Show Answer