A to Z Exams

If w = 2/3 and a = 6 then a/w + 4/w2 =

Murali purchased 20 dozens of toys at the rate of Rs. 375 per dozen. He sold each one of them at the rate of Rs. 33. Find out his profit percentage.

Two diagonals of a parallelogram are 72 cm and 30 cm respectively. What is its perimeter?

(216)4 ÷ (36)4 X (6)5 =(6)?

In a game of 100 points, A can give B 20 points and C 28 points. Then, B a start of 8 m and still beats him by 8 sec. The speed of B is

Mary jogs 9 km at a speed of 6 km per hour. At what speed would she need to jog during the next 1.5 hours to have an average of 9 km per hour for the entire jogging session?

Pipes A and B fill a tank in 5 and 6 hours respectively. Pipe C can empty it in 12 hours. If all the three pipes are opened together, then the tank will be filled in

Cost of 8 pens and 4 pencils is Rs. 176 and the cost of 2 pens and 2 pencils is Rs. 48. What is the cost of one pen?

Find the next term in the series 123, 129, 141, 147, ______

In the first 10 overs of a cricket game, the run rate was only 3.2. What should be the run rate in the remaining 40 overs to reach the target of 282 runs ?

If √2- 1.414, the square root of √2 -1/√2 + 1is nearest to:

Where defined, {y2 – 3/3} {8/2y + 3} =

The HCF of two numbers is 23 and the other two factors of their LCM are 13 and 14. What is the largest number?

74156 – ? – 321 – 20 + 520 = 69894

The marked price of a watch was Rs. 720. A man bought the same for Rs. 550.80 after getting two successive discounts, the first being 10%. What was the second discount rate?

The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

The ratio between the speeds of two trains is 7 : 8. If the second train runs 400 km in 4 hours, then the speed of the first train is:

The radius of the wheel of a bus is 70 cms and the bus is 66 km/h, then the r.p.m. (revolutions per minute)of the wheel is

Two man, sitting on the dining table. One man has 7 eggs and other had 5 eggs. A third man passing by requested them to share their food in return for money. The three of them shared the eggs equally and the third traveller paid the other two a total of Rs 24. Find the difference between the amounts received by first two men?

The value of 1/4 + 1/9 + 1/16 + ... +1/n2 is

The value of (68.237)2 – (31.763)2 is;

The value of √0.121 is:

The average of 11 numbers is 10.9. If the average of the first six numbers is 10.5 and that of the last six numbers is 11.4, then the middle number is:

What annual instalment will discharge a debt of 4,200 due in 5 yearsat 10% simple interest?

A person spends 65 per cent of his capital on machines and 22 per cent on raw materials. If 20 per cent of what he spent on machines is Rs 1300, then how much did he spend on machines and material (in rupees)?

How many students have got 60% or more marks in all the subjects?

A bag contains Rs 300 in the form of 1 rupee, 50 paise and 25 paise coins in the ration 3 : 2 : 4 The number of 25 paise coins in the bag are

The average price of 10 books is Rs. 12 while the average price of 8 of these books is Rs. 11.75. Of the remaining two books, if the books, if the price of one book is 60% more than the price of the other, what is the price of each of these two books?

348 ÷ 29 × 15 + 156 = (?)3 + 120

50 square stone slabs of equal size were needed to cover a floor area of 72sq.m.The length of  each stone slab is: