Simplification #Mathsu200b Trick | Maths By Rahul Deshwal | Maths #Shortsu200b #Tricku200b | NTPC | Groupd

For an examination consisting of three subjects -Maths Physics and Chemistry, 280 students appeared. When the results were declared, 185 students had passed in Maths, 210 had passed in Physics and 222 had passed in Chemistry. All those except 5 students who passed in Maths, passed in Physics. All those except 10 students who passed in Maths, passed in Chemistry. 47 students failed in all the three subjects. 200 students who passed in Physics also passed in Chemistry : How many studens failed in Physics and Maths ?

For an examination consisting of three subjects -Maths Physics and Chemistry, 280 students appeared. When the results were declared, 185 students had passed in Maths, 210 had passed in Physics and 222 had passed in Chemistry. All those except 5 students who passed in Maths, passed in Physics. All those except 10 students who passed in Maths, passed in Chemistry. 47 students failed in all the three subjects. 200 students who passed in Physics also passed in Chemistry : How many students passed in Maths but failed in both Physics and Chemistry ?

The equilibrium constant for the reactions A+B hArr AB is 0.5 at 200K . The equilibrium constant for the reaction AB hArr A+B would be

Calculate the pressure when a force of 200 N acts on an area of (a) 10m^2 (b) 5m^2 .

Comprehension Use the following passage for the questions based on it. Rahul and Kusum are good in Hindi and Maths. Sameer and Rahul are good in Hindi and Biology. Gita and Kusum are good in Marathi and Maths. Sameer, Gita and Mihir are good in History and Biology. Who is good in only Hindi, Marathi and Maths? (A) Sameer (B) Rahul (C) Kusum (D) Gita

There are 200 questions on a 3 hour examination. Among these questions are 50 Mathematics problems. It is suggested that twice as much time be spent on each Maths problem as for each other question. How many minutes should be spent on Mathematics problems? (a) 36 (b) 60 (c) 72 (d) 100