Cubes and Dice Practice Question and Answer
8 Q: How many small cubes which are two surface coloured ?
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5f57432679cfd646ddd4f932- 148false
- 264false
- 324true
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Answer : 3. "24 "
Q: Four different positions of a dice are as shown below. What number is opposite to face 3?
3632 05d8daa1d1afb4111d6e49ba1
5d8daa1d1afb4111d6e49ba1- 14true
- 23false
- 32false
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Answer : 1. "4"
Q: Directions: - A cube of 7 x 7 x 7 cm. sides colored with red, green, yellow, black, pink and violet. Then it is cut into 1cm. small cubes.
Number of small cubes which have two sides colored
2843 05f157e47cf79540a75347558
5f157e47cf79540a75347558Number of small cubes which have two sides colored
- 160true
- 227false
- 349false
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Answer : 1. " 60"
Q: When two dice are thrown simultaneously, what is the probability that the sum of the two numbers that turn up is less than 12? 2430 05b5cc5ffe4d2b4197774b427
5b5cc5ffe4d2b4197774b427- 135/36true
- 217/36false
- 315/36false
- 41/36false
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Answer : 1. "35/36"
Explanation :
Answer: A) 35/36 Explanation: When two dice are thrown simultaneously, the probability is n(S) = 6x6 = 36 Required, the sum of the two numbers that turn up is less than 12 That can be done as n(E) = { (1,1), (1,2), (1,3), (1,4), (1,5), (1,6)(2,1), (2,2), (2,3), (2,4), (2,5), (2,6)(3,1), (3,2), (3,3), (3,4), (3,5), (3,6)(4,1), (4,2), (4,3), (4,4), (4,5), (4,6)(5,1), (5,2), (5,3), (5,4), (5,5), (5,6)(6,1), (6,2), (6,3), (6,4), (6,5) } = 35 Hence, required probability = n(E)/n(S) = 35/36.
Q: Four forms of a dice are shown below. In this dice which word will be on the surface opposite to the world D?
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5d7f68ba5d5653223cdca5f9- 1Dfalse
- 2Atrue
- 3Bfalse
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Answer : 2. "A"
Explanation :
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Q: Three position of a cube are shown below. What will come opposite to face containing ‘5’?
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5d8daaee1afb4111d6e49efa- 11true
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Answer : 1. "1"
Q: A coloured cube is cut into smaller cubes if there are 8 colourless cubes, then how many smaller cubes are there?
3007 05e6341d8f1640a77574dc254
5e6341d8f1640a77574dc254- 164true
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Answer : 1. "64"
Q: Two different positions of the same dice are shown. Which number will be at the top if 3 is at the bottom?
2072 05f50911a7e85226ee75078b4
5f50911a7e85226ee75078b4- 15true
- 21false
- 34false
- 42false
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