Ques:- The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?
Ques:- Afte done your graduation. how long time you spent. what did you do in this time?
Ques:- You have a biased coin in which the probability of getting a head is 51%. Create an event out of this coin which has a probability of 25%.
Ques:- A man purchases 8 pens for Rs.9 and sells 9 pens for Rs.8, how much profit or loss does he make?
Ques:- What is regression analysis and how is it used in data interpretation
Right Answer:
Regression analysis is a statistical method used to understand the relationship between one dependent variable and one or more independent variables. In simpler terms, it helps you see how changes in one thing affect another.
For example, you might use regression to see how advertising budget (independent variable) affects product sales (dependent variable).
Explanation:
The main goal of regression analysis is to build a model that can predict or explain outcomes. It answers questions like:
If I change X, what happens to Y?
How strong is the relationship between the variables?
Can I use this relationship to make future predictions?
There are different types of regression, but the most common is linear regression, where the relationship is shown as a straight line.
The regression equation is usually written as:
Y = a + bX + e
Where:
Y = dependent variable (what you’re trying to predict)
X = independent variable (the predictor)
a = intercept
b = slope (how much Y changes when X changes)
e = error term (random variation)
Ques:- If an item costs Rs.3 in '99 and Rs.203 in '00.What is the % increase in price?(a) 200/3 %(b) 200/6 %(c) 100%(d) none of these
Ques:- If a sum of money compound annually amounts of thrice itself in 3 years. In how many years will it become 9 times itself.
A. 6
B. 8
C. 10
D. 12
E. 14
Ques:- What has been the most important person or event in your own self development?
Ques:- How many ways do you think there are to find a needle in a haystack?
Right Answer:
Finding a needle in a haystack seems nearly impossible—but it depends on how you approach it. You could use a magnet, burn the hay, sift it piece by piece, or even get creative with technology. So, while it’s hard, there are actually many ways—what matters is strategy, patience, and the right tools.
Ques:- A train of 24 carriages, each of 60 meters length, when an engine also of 60 meters length is running at a speed of 60 kmph. In what time will the train cross a bridge 1.5 km long?
Ques:- What is the role of probability in data interpretation
Right Answer:
Probability plays a key role in data interpretation by helping us measure uncertainty and make predictions based on data. Instead of relying on guesses, probability gives us a way to express how likely an event is to happen — using numbers between 0 and 1 (or 0% to 100%).
In simple terms, probability helps answer questions like:
-
How confident are we in our results?
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What are the chances this happened by random chance?
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Can we trust the trend we’re seeing in the data?
Explanation:
Imagine you run an email campaign and get a 10% click-through rate. Using probability, you can test whether this result is significantly better than your average of 5% — or if it might have happened by chance.
You might use a statistical test to calculate a “p-value.”
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If the p-value is very low (typically less than 0.05), you can say the result is statistically significant.
Ques:- In a certain code, LABOUR is written as KBAPTS. How is CANDID written in that code?
Ques:- Replace each letter by a digit. Each letter must be represented by the same digit and no beginning letter of a word can be 0.
Ques:- A rectangular grass field is 75 m * 55 m, it has a path of 2.5 m wide all round it on the outside. Find the area of the path and the cost of constructing it at Rs.2 per sq m?
Ques:- A 300 m long train crosses a platform in 39 sec while it crosses a signal pole in 18 sec. What is the length of the platform?
Ques:- Four couples sit around a circular table in a party. Every husband sits to the right of his wife. P, Q, R and S are husbands and T, U, V and W are wives. Q – U and R – V are two married couples. S does not sit next to V. T sits to the left of P, who sits opposite S. If P interchange his place with the person who sits opposite to R disregarding the condition that husband and wife sit together, then who sits to the right of U?
Ques:- The average of 10 numbers is calculated as 15. It is discovered later on that while calculating the average, one number namely 36 was wrongly read as 26. The correct average is?
Ques:- Tell me about your college ?