Q. If the average marks of three batches of 55, 60 and 45 students respectively is 50, 55, 60, then the average marks of all the students is: 

Related MCQs on Math

Q. A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left the w...

Q. A jogger running at 9 kmph alongside a railway track in 240 metres ahead of the engine of a 120 metr...

Q. The ratio, in which tea costing 192 per kg is to be mixed with tea costing 150 per kg so that the mi...

Q. A and B can do a piece of work in 30 days while B and C can do the same work in 24 days and C and A ...

Q. A car owner buys petrol at Rs.7.50, Rs. 8 and Rs. 8.50 per litre for three successive years. What ap...

Q. In a motor of 120 machine parts, 5% parts were defective. In another motor of 80 machine parts, 10% ...

Q. If the perimeter of a rhombus is 80 cm and one of its diagonals is 24 cm, then what is the are (in c...

Q. 450 men took a dip in a water tank at a time which is 150mX60m . what is the rise in the water lev...

Q. A shopkeeper marks his goods 30% above his cost price but allows a discount of 10% at the time of sa...

Q. If Ram got 35% marks and failed by 15 marks and Mohan got 40% and scored 35 more than the pass marks...

Download our easy to use, user friendly Android App from Play Store. And learn MCQs with one click.