MAT (Stage-2) M...

The area of the largest square that can be inscribed in a circle of radius 8 cm is

In an alloy of 24 kg, there is 60% of copper, 30% of zinc and 10% of silver by weight. What amount of silver should be added to this alloy to make the ratio of copper, zinc and silver as 4 : 2 : 1?

The age of Arvind's father is 4 times Arvind's age. If 5 years ago, his father's age was 7 times the age of his son, what is the present age of Arvind's father?

If the radius of a circle is increased by some length, then its circumference increases by 44 cm. Find the increase in radius.

A shopkeeper fixes the marked price of an article at 30% above its cost price. He gives 10% discount on the marked price. A customer purchased the article for Rs. 702. How much did the shopkeeper pay for that article?

If $ means +, # means –, @ means +, and ! means ÷, then what is the value of 16 $ 4 @ 5 # 72 ! 8?

In the following question, some symbols are represented by letters as shown below.

Now, identify the correct expression.