Solution: tan 50 = tan (40+10) We know tan (a+b) = (tan + tan b)/(1-tan tan b) tan 50 = (tan 40 + tan 10)/(1-tan 40 tan 10) Cross multiply... View Article
Answer: CSA - curved surface area TSA - Total surface area Let a be the edge of a cube. Then volume of cube, V = a3. So we can write edge, a... View Article
(a) True (b) False Solution: Minorities in the Indian context means minority religions. OBC is not in minority. Hence option b is the answer.... View Article
Solution: The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29. Here number of terms = 10. So median is the mean of (n/2)th term... View Article
Answer: A sequence of numbers that has a common difference between any two consecutive numbers is called an arithmetic progression (A.P.) The... View Article
(a) River water (b) Rain water (c) Potable water (d) Ground water Answer: Water fit for drinking is called potable water. Potable refers to... View Article
Solution: Given number is 961. Place a bar over every pair of digits starting from the digit at one’s place. If the number of digits in it is... View Article
