@neraj-naiyar Sir, Ans. 20 Given that there are 60 % girls and 40 % boysIt is also given that there are 30 more girls than boys.So, (60 % - 40 ...

@neraj-naiyar Sir, Solution:- x + 1/x = yy2 – 3y + 2 = 0y ≥ 2 & y ≤ - 2(y – 1) (y – 2) = 0y = 1(Not possible) or y = 2Now, x + 1/x = 2This has...

@neraj-naiyar Sir, 2x + 2-x is of the form y + 1/yMinimum value the expression can take is ≥ 2So 2x + 2-x ≥ 2Now, 2 – (x – 2)2 ----> (x – 2)2 is ...

Q.1 The mean of all 4 digit even natural numbers of the form 'aabb', where a>0, is 5544 4466 4864 5050

Q.1 If x = (4096)7+4√3, then which of the following equals 64? Answer the Following:-?

Q7 Let A, B and C be three positive integers such that the sum of A and the mean of B and C is 5. In addition, the sum of B and the mean of A and C i...

Q1. A straight road connects points A and B. Car 1 travels from A to B and Car 2 travels from B to A, both leaving at the same time. After meeting eac...

@shivangi-garg

@neraj-naiyar Sir

A bag I contains 5 red balls and 3 green balls, bag II contains 8 red balls and 4 green balls and bag III contains 5 red balls and 5 green balls. A ba...

Q.) From a container filled with milk, 9 litres of milk are drawn and replaced with water. Next, from the same container, 9 litres are drawn and again...

Q.) Consider the pair of equations: x2 - xy - x = 22 and y2 - xy + y = 34. If x > y, then x - y equals 8 6 7 4

Q.)The number of ways of distributing 15 identical balloons, 6 identical pencils and 3 identical erasers among 3 children, such that each child gets a...

@ujjwal-dwivedi Answer :- Let’s consider the total number of pens to be(100 +x)Let's consider the fixed-wage of the labour to be ‘w’case (i): the n...

@ujjwal-dwivedi Answer :- |n - 60| < |n - 100| < |n - 20|To solve this question, we need to know the basic concept that ‘if x and y are two p...