Mathematics - 2...

If a number 573xy is divisible by 90, then what is the value of x + y?

Which of the following numbers is in standard form?

If 0.25(4f - 3) = 0.05(10f - 9), then f is equal to

A number consists of two digits. The digit at the tens place exceeds the digit at the units place by 4. The sum of the digits is 1/7 of the number. The number is:

In a class of 17 students, six boys failed in a test. Those who passed scored 12, 15, 17, 15, 16, 15, 19, 17, 18, 18 and 19 marks. The median score of 17 students in the class is:

The mean age of a class is 16 years. If the class teacher aged 40 years old is also included, the mean age increases to 17 years. The number of students in the class is:

Which of the following numbers is not a perfect square?

Which least number must be subtracted from 176 to make it a perfect square?

During a sale, a shop offered a discount of 10% on the marked price of all the items. What would a customer have to pay for a pair of jeans marked at Rs. 1450 and two shirts marked at Rs. 850 each?

If the cost price of 10 greeting cards is equal to the selling price of 8 greeting cards, then the gain or loss % is:

'A' can do a piece of work in 20 days which 'B' alone can do in 12 days. If 'B' worked at it for 9 days, then 'A' can finish the remaining work in:

A car takes 2 hours to reach a destination by travelling at 60 km/hr. How long will it take while travelling at 80 km/hr?

Find the value of 82² - 18².

How many edges does a square pyramid have?

The sides of a cuboid are in the ratio of 1 : 2 : 3 and its surface area is 88 cm². The volume of the cuboid is

The lengths of the parallel sides of a trapezium are in the ratio of 4 : 3 and the perpendicular distance between them is 12 cm. If the area of the trapezium is 630 cm², then the length of shorter of the two parallel sides is

The base of a triangle is four times its height, and it has an area of 50 m². The length of its base is

4^3.5 : 2⁵ is the same as

y denotes the digit at hundreds place in the number 67y19, such that the number is divisible by 11. The value of y is

If a, b and c are three whole numbers such that a + b + c = a × b × c, then what is the value of a² + b² + c²?

3 + 23y - 8y² can also be written as

A motor car starts with a speed of 70 km/hr, which increases every 2 hours by 10 km/hr. In how many hours will the car cover a distance of 345 km?

1200 soldiers in a fort had enough food supplies for 28 days. After 4 days, some soldiers were transferred to a different fort. The food supplies left at this point lasted 32 days for the remaining soldiers. How many soldiers were transferred?

If the perimeter of an isosceles right-angled triangle is (6 + 3√2) m, then the area of the triangle is