Explanation

120 is the correct answer

2+3+4=9 3/9x360=120

2+3+4=9 3÷9=0.333..... 0.333....*360=120

Explanation

40 kg rice costs Rs. 3200

60 kg rice costs Rs. 4800

80 kg rice costs Rs. 6400

3200÷40=80 4800÷80=60

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Explanation

The Mach Number is the ratio of the speed of a body to the speed of sound in the undisturbed medium through which the body is traveling.

Therefore, when an aircraft is flying at Mach 1 if its speed is equal to the speed of sound in the air.

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Explanation

Hypotenuse of a right triangle is always the side opposite the right angle. 

Hypotenuse is the longest side in a right triangle.

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Explanation

2x + 5 = 13

Step 1: Subtract 5 from both sides  

2x = 13 - 5  

2x = 8

Step 2: Divide both sides by 2  

x = 8 / 2  

x = 4

Explanation

Given:

Cost price = $100

Selling price = $130

Find:

Profit =?

Solution:

profit = cost - selling 

profit = 100 - 130   

           = 30 rupees

ND-18-8-2023

Explanation

= 22 percent *1100 

= (22:100)*1100 

= (22*1100):100 

= 24200:100

= 242

ND-18-8-2023

Explanation

Sum of 10 natural no. = 110

=110/2 = 55

Average = 55/10

= 5.5

Explanation

Clearly, the conclusion must be universally negative and should not contain the middle term.

So, it follows that 'No mango is cheap'.

Since all mangoes are golden in color, we may substitute 'mangoes' with 'golden-colored mangoes'.

Explanation

After 5 mins ..... 3 persons will get the rumor

After 10 mins .... 3x2 + 3 = 9 

 persons will get after 15 = 9x2 + 9 =27 

after 20 mins..... 27 x2 + 27 = 81