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100

Calculate 30% of 150.

30% of 150 = 0.30 * 150 = 45

100

4/9 as a percentage.

ye to nikal jana chahiye

100

What is the square root of 144?

12

100

Calculate the perimeter of a rectangle with length 6 cm and width 4 cm.

baccho wala question tha 

100

Question: Solve for x: 3x + 7 = 16.

bahut slow ho 

200

Calculate the perimeter of an equilateral triangle with a side length of 18 cm.

easy pesy

200

A train travels at a constant speed of 90 km/h. How long will it take to cover a distance of 270 km?

krlo calculate

200

 If you roll a fair six-sided die, what is the probability of getting an even number?

1/2

200

Calculate the area of a circle with a radius of 5 cm. (Use π ≈ 3.14)

78.5 square cm

200

 If a = 2 and b = 3, find the value of a^3 - b^3.

-19

300

 Calculate the area of a parallelogram with base 12 cm and height 9 cm.

108

300

Calculate the hypotenuse of a right triangle with legs measuring 6 cm and 8 cm.

10cm

300

Simplify: (3/4)^3.  

27/64.

300

Calculate 25 × 4 + 10 ÷ 2.  

hmmmmmmmmmmmmmmmmmmmmmmmmm

300

4√9 - 2√16 + 5√25?

29

400

Multiply 777 by 7, then subtract the original number.

4662

400

Tell me a number which spells alphabetically.

forty

400

Convert 0.75 to a fraction in simplest form.

3/4

400

What is the value of π (pi) till 10 digits after decimal?

3.1415926535

400

You have 3 empty jugs, one that can hold 3 liters and one that can hold 5 liters of water and one that can hold 6 litres of  water. You also have access to a tap with an unlimited water supply. How can you measure exactly 4 liters of water using only these jugs?

 Fill the 5-liter jug to the top. Pour the water from the 5-liter jug into the 3-liter jug until the 3-liter jug is full. This leaves you with exactly 2 liters of water in the 5-liter jug


500

 Find the sum of the first 20 natural numbers.

210

(n/2) * (first term + last term)

500

 If John's age is three times that of his son, and the sum of their ages is 48, how old is John and how old is his son?

  1. J = 3S
  2. J + S = 48
500

 A chessboard has 64 squares. If you place one grain of rice on the first square and then double the number of grains for each subsequent square (2 grains on the second square, 4 grains on the third square, and so on), how many grains of rice will be on the 64th square?

There will be 2^63 grains of rice on the 64th square. This is because the number of grains doubles with each square, so it's 2^0 + 2^1 + 2^2 + ... + 2^63.

500

If a = 7 and b = 2, find the value of (a^2 - b^2)/(a - b).

9

500

 If a = 5, b = 3, and c = 7, what is the value of (a + b)^2 - c^2?

idk iske 400 points kyu hain