In a class 80% have passed english,70% passed Hindi 10%
didnot passed either. If 144 students passed both. What is
the total strength of the class.
- 10 Answers
- 34339 Views
- Geometric Software, Google, Wipro, I also Faced
- E-Mail Answers
Answer Posted / aprameya shyam
let t = total no of students.. then
(e U h) = n(e) + n(h) - n(e intersection h)
=> t = 8t/10 + 7t/10 - 144
=> t = 288 students
| Is This Answer Correct ? | 10 Yes | 41 No |
Post New Answer View All Answers
One ship goes along the stream direction 28 km and in opposite direction 13 km in 5 hrs for each direction.What is the velocity of stream? `
Which is the largest prime number that can be stored in a 9-bit register?
What number comes next 10, 9, 60, 90, 70 and 66?
A can do a piece of work in 20 days, which B can do in 12 days. In 9 days B does ¾ of the work. How many days will A take to finish the remaining work?
A positive integer which when added to 1000 gives a sum which is greater than 10.06 when it is multiplied by 100 this positive integer is __.
If PQRST is a paralellogram .What is the ratio triangle PQS & PQRST.
In 8*8 chess board what is the total number of squares refer oder
there are two boats across a river.one of the boat starts from x and proceeds to y at the other river end.while the other boat starts from y and proceeds to x.the first time these two boats meet is 200 kms from x.they continue their journey reach y and x respectively. when they come back they meet at a point which is 400 kms from y .find the width of the river ..
One of the longest sides of the triangle is 20 m. The other side is 10 m. Area of the triangle is 80 m2. What is the another side of the triangle?
A man drives at a speed of 40 miles/hr while his friend drives at a speed of 50 miles/hr. If the friend leaves 30 minutes after the man, when are they going to meet?
A beats B by 10 meters and B beats C by 15 metres the A beats C by
What amount of compound interest can be obtained on an amount of Rs. 4500 at the rate of 4% p.a. at the end of 2 years?
a man covered 28 steps in 30 seconds but he decided to move fast and covered 34 steps in 18 seconds. how many steps are there on the escalator when stationary.
A power unit is there by the bank of the river of 750 meters width. A cable is made from power unit to power a plant opposite to that of the river and 1500mts away from the power unit. The cost of the cable below water is Rs. 15/- per meter and cost of cable on the bank is Rs.12/- per meter. Find the total of laying the cable.
A boy has Rs 3 in total. If he wins, he gains 1 Rupee and if he looses, he has to loose 1 Rupee. The boy may lose only 5 times in the game and if he earns 5 Rs, he has to quit the game. Find the number of ways of the possibilities.
