Science & Mathematics Questions and Answers



Recent Questions :: Science & Mathematics

8654 QuestionsPage 1 of 866.

Find the Percentage of Numbers from 1 to 30 which has 1 or 9 in Unit Digit

What percentage of numbers from 1 to 30 has 1 or 9 in the unit's digit?
A. 12
B. 15
C. 20
D. 22

Asked by: Phani on Sep 29, 2019.EDIT

Procedure to Solve the Square Root in a Decimal Form

How to solve square root in a decimal form not according to a pair of 2?

For example- 4.264 this is in square root solve, please.

Asked by: Aditya Singh on Sep 18, 2019.

Description of Ninhydrin Reaction

With the aid of a diagram, what is Ninhydrin reaction?

Asked by: Jonathan on Sep 10, 2019.

Sources of Parasitic Infections

Explain the sources of parasitic infections.

Asked by: Elizabeth on Sep 4, 2019.EDIT

Chemical Formula for Fire

What is the Chemical formula for fire?

Asked by: Rain Pasha on Aug 29, 2019.EDIT

Find the Multiplying Constant of Tacheometer

If the spacing of crosshairs in a stadia diaphragm of tacheometer is 1.2 mm and the focal length of object-glass is 24cm, then the multiplying constant of tacheometer is

1. 50
2. 100
3. 150
4. 200

Asked by: Sunny on Aug 23, 2019.

History of Hydrochloric Acid

Who discovered hydrochloric acid?

Asked by: Kunal on Aug 20, 2019.

Relation Between the Density of Gas and Mass

How the density of a gas is related to its mass?

Asked by: Jack on Aug 13, 2019.EDIT

Find the 6th term out of 11 Terms

The product of the first 11 terms in a G.P is 2048. Find the 6th term.

Asked by: S.N.Punitaakshan on Aug 8, 2019.EDIT

Expression for the Centroid of a right-angled Triangle

Derive the expression for the centroid of the right-angled triangle.

Asked by: Dheeraj on Aug 6, 2019.

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