Question
Which of the following statements is/are true?
Statement A: Mica and biotite are the secondary minerals but also act as primary minerals. Statement B: Granite, basalt, diorite, andesite and gabbro are the examples of igneous Statement C: Granite mineral is formed by sedimentation, a type of sedimentary rock. In the light of these statements choose the correct answer from the options given below:Solution
Granite is not formed through sedimentation or as a sedimentary rock. Granite is an igneous rock that forms through the crystallization of magma deep within the Earth's crust.
A bag contains 20 white and some black balls. If the probability of drawing a black ball from the bag is 6.25 times that of drawing a white ball,...
From a bag containing 12 white and 15 yellow ribbons, find the probability of picking 2 ribbons of each type at random.
A bag contains 7 blue balls, 3 red balls and remaining were black balls. Probability of drawing a black ball from the bag is (4/9) . Find the number of ...
- The ratio of green to yellow balls in a basket is 5:7. If 15 balls of each color are added, the ratio becomes 2:3. How many yellow balls were originally th...
A box consists of 125 apples out of which 25 are rotten. Khushboo comes to buy non-rotten apple. The shopkeeper takes out two apples and hands it over t...
If a coin is tossed 10 times then what is the probability of getting three heads?
What is the Probability of getting a sum of ‘9’ on rolling a dice twice?
- A boy attended 5 lab evaluations, each having a total of 100 marks. His scores were 88, 76, 92, 81, and 70. He randomly reveals one of the scores to his fr...
22 rotten bananas are accidentally mixed with 136 good ones. It is not possible to just look at a banana and tell whether or not it is rotten. One banan...
- ‘A’ and ‘B’ play a game where a coin is tossed 2 times. ‘A’ wins if both tosses give the same result. Find the probability that ‘A’ wins.
Relevant for Exams:
