Start learning 50% faster. Sign in now
The correct answer is B
If A and B are both symmetric matrices of the same order, then which of the following is necessarily skew-symmetric?
A certain number of men can complete a work in 50 days. If 10 more men are added, the work can be completed in 40 days. Find the original number of men.
7 10 4 13 ? 16
...The ratio of two numbers is 3:5. If 9 is subtracted from both, the new ratio becomes 12:23. Determine the original numbers.
A person who spends 55% of his salary saves the remainder. His salary goes up by 15%, but his savings stay the same, and he now spends Rs. 3,300 more. D...
Determine the mean of the following observations:
24, 26, 22, 25, 20, 21, 24, 25
The average weight of 12 children rises by 2.15 kg after one of the children, who weighs 56 kg, is replaced by a new child. What is the weight of the ne...
Find the income of Rahul.
Statement 1 : The saving of Rahul is Rs. 10,000 less than the saving of Piyush.
Statement 2 : The ratio of incom...