Question
Solution
Sin3 A sec(A + 10) = 1 3A + A + 10 = 900 4A = 800 A = 200 = 2 × cosec 3 ×20 / 2 + 6 sin2  600 – 3/2 tan2  60 = 2 × 2 + 6 × ¾ - 3/2 × 3 = 4 + 9/2 – 9/2 = 4
The average weight of 15 boys in a group is 48 kg. If the collective weight of 12 girls in another group is 25% lower than that of the boys, what is the...
The ages of 5 children are 8, 10, 12, 14 and 16 years. Find their average age.
The average marks of 'n' boys is (n + 6) and that of 30 girls is (2n - 10). If the average marks of all students together is 52, find the number of boys.
The average of twelve numbers is 45.5. The average of the first four numbers is 41.5 and that of the next five numbers is 48. The 10th number...
Each question contains a statement followed by Quantity I and II. Read the information clearly and answer your questions accordingly.Â
Quanti...
In an examination the average marks of Rohit is 62. If he got 19 more marks in science and 26 more marks in maths then his average would have been 67. F...
A candidate just passed by getting 60 answers correct by attempting 132 of the total questions. Find the total number of questions in the examination if...
The average of three distinct numbers is 124. The average of the smallest and the largest of these numbers is also 124, with the smallest number being 2...
Average weight of all the people in a group is 60 kg. When two people of weight 66 kg and 84 kg left the group, average weight reduces by 1 kg. Find the...
There are three numbers 'm', 'n' and 'p' such that average of 'm' and 'n' is 25, average of 'n' and 'p' is 15 and average of 'm' and 'p' is 20. Find the...
Relevant for Exams:
