Mathematics (Pa...

Keira thinks of a number a6a41 and the number is divisible by 9, but she forgets the value of a. What is the value of a?

Which of the following numbers is in standard form?

16^2.5 : 10³ is the same as

A number consists of two digits and the digit in the units place is less than the digit in the tens place by 5. The digits of the number get reversed, if 5 times the sum of the digits is subtracted from the number. What is the number?

The sum of digits of a two-digit number is 10. If 18 is added to the number the digits are interchanged. Find the original number.

For all natural numbers n, the number n² + n + 1 is

A cylindrical storage tank can hold 59400 m³of juice when the diameter of its base is 60 cm. What is the height of tank?

There is a triangle whose area is 144 m². Find the base of this triangle provided that its base is 8 times the height.

There are 7 terms arranged in descending order. The mean of all of these terms is 7. If 3 is added to each term and then each term is divided by 2 to get the new mean as A, then find the difference between A and the original mean.

Rahul is playing a game. He has got some cards printed numbers on them and on random picking, he got 13, 18, 13, 14, 13, 16, 14, 21 and 13 as the outcome. What is the median of the outcome?

There are 60 cards printed with numbers from 1-60. What is the probability that a card drawn at random has a number printed on it, which is a multiple of 15?

Three metal cubes having volumes 125 cubic cm, 64 cubic cm and 27 cubic cm are melted to form a new cube. Find the value of edge of the new cube.

What is the measure of each exterior angle of a regular octagon?

Rajdeep offers a discount of 55% on his goods. How much percent the cost price of goods must be marked to make a profit of 12%?

(73)² - (27)² is equal to

How many non-perfect square numbers lie between the squares of 98 and 99?

Which of the following numbers is a perfect cube?

Which among the following can definitely not be a square number?

A person makes a profit of Rs. 800 by selling a product. If the person wants to double his profit, he will need to increase the SP (selling price) of the product by 20%. At what price did the person purchase the product?

Ravi and Param were given a work to do. If they do the work together, they can finish it in 30 days. Param can do the same work in 40 days. How many days will Ravi take to complete the same work alone?

Four friends planned a road trip from Ludhiana to Gurugram. They went there by car and the distance was 360 km. They took 4 stoppages of half an hour each. They started their journey at 7 a.m. in the morning and they reached Gurugram at 1 p.m. Find the speed of the car.

Simplify: (y⁴ + 10y² + 25) ÷ (y² + 5)

What is the result of [(2x - 6)(2x - 5) + (x + 6)(x - 5)]?

Find the factors of a⁴ + 2a²b³ + b⁶.

1200 participants are participating in a management quiz in a college which is going to last for 28 days. The organisers have arranged the food for all participants for next 4 weeks. After 4 days, 4 teams were eliminated from the group stage, and these four teams left the venue after elimination. Now, the food is going to last long for 32 more days. How many participants left the venue after elimination?