@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
Aditi was writing an entrance test. Every question is as a multiple choice question with four probable answers and one correct answer. The probability that he knows the answer is 80%. If he correctly answered a question, then what is the probability that he was guessing?
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question.
During a marriage ceremony in Panipat, two shots from the air rifle are fired from the same place at an interval of 10 minutes 42 seconds. A man sitting in the train which is approaching the place where the ceremony is being held, hears the second sound after 10 minutes of hearing the first one. Assuming speed of light to be 330 m/s, what could be the speed of the train?
@jalajga823
Started 3 weeks ago in
I'm unable to understand regarding "repetition is not mentioned". so what to do??
How many 7-digit numbers can be formed using digits 5, 2, 3, 2, 1, 0, 5?
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
Screenshot 2024-12-09 183052.png 16.81 KB
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question.
Screenshot 2024-12-09 182946.png 23.48 KB
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
Average stipend of a group of students is 50 per day. The difference between maximum andminimum stipend is 45. If these 2 students are excluded, the average decreases by 1. Minimumearning lie between 42 to 47 and the number of students is a prime number, where both the digit isalso prime. What is the number of students initially? [SNAP-2019]
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
The average weight of all the Employees of Company A and B equals the average of the average weight of the Employees of the two companies. There are twice as many Employees in Company B as in Company A. The sum of twice the average weight of the Employees of Company A and the average weight of the employees of company B is 60 kg. Find the average weight of company A (in kg).
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
WhatsApp Image 2024-10-26 at 21.12.07_df3095e1.jpg 1.53 MB
@jalajga823
Started 3 weeks ago in
I'm unable to understand this question
Nisaba left A for B. Pirojsha left B for A at the same time. After reaching their destinations, they turned back without stopping. They crossed each other at a point 30 km from A on their onward trip and 20 km from B on their return trip. Find AB. (in km