Q1. There are 12 copies of Beetles CDs, 7 copies of Pink Floyd CDs, 3 different CDs of Michael Jackson, and 2 different CDs of Madonna. Find the numbe...
Q1. Bhavani invested an amount of Rs. 13900 divided in two different schemes, A and B at the simple interest rate of 14% per annum and 11% per annum ...
@neraj-naiyar Sir, Solution: Db1 3% of 20 = 0.6 is defective and 20 - 0.6 = 19.4% non defectiveb2 7% of 15 ≡ 1 (defective) and 15 - 1 = 14 is non-...
@ujjwal-dwivedi
@ujjwal-dwivedi
@ujjwal-dwivedi Sol.2 (b)Total sum of 10 number = 10A According to the question,⇒ (-48 × 2) + (3 × 56) + (sum of rest of number) = 11B Then, 11B - 1...
Q1. A chemist mixes two liquids 1 and 2. One litre of liquid 1 weighs 1 kg and one litre of liquid 2 weighs 800 gm. If half litre of the mixture weig...
@shivangi-garg
Q1. AB is a diameter of a circle of radius 5 cm. Let P and Q be two points on the circle so that the length of PB is 6 cm, and the length of AP is tw...
@tg-faculty
Q1. For any positive integer n, let f(n) = n(n + 1) if n is even, and f(n) = n + 3 if n is odd. If m is a positive integer such that 8f(m + 1) - f(m)...
Q1. Let T be the triangle formed by the straight line 3x + 5y - 45 = 0 and the coordinate axes. Let the circumcircle of T have radius of length L, me...
@madhav Ans- 2:3 Construct an Equilateral triangle and cut of equal lengths from all three sides. So we obtain a hexagon and three equilater...