Practice Questions

TLS Online TPP Program

#Question id: 334

Which of the following statements about hydrogen bonding is not true?

#Section 2: General Biology

In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules.
Hydrogen bonds account for the anomalously high boiling point of water.
Individual hydrogen bonds in liquid water exist for many seconds and sometimes for minutes.
The strength of a hydrogen bond depends on the linearity of the three atoms involved in the bond.

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TLS Online TPP Program

#Question id: 14441

#Section 1: Engineering Mathematics

If the points (3, -2), (x, 2), (8, 8) are collinear, then find the value of x.

TLS Online TPP Program

#Question id: 14442

#Section 1: Engineering Mathematics

if A= the find A^-1

TLS Online TPP Program

#Question id: 14443

#Section 1: Engineering Mathematics

If A = and B = , then find (AB)^-1

TLS Online TPP Program

#Question id: 14444

#Section 1: Engineering Mathematics

Compute (AB)^-1 if

TLS Online TPP Program

#Question id: 14445

#Section 1: Engineering Mathematics

For what value of x, matrix

is a singular matrix?

TLS Online TPP Program

#Question id: 14446

#Section 1: Engineering Mathematics

The area of a triangle with vertices (-3, 0), (3, 0) and (0, k) is 9 sq. units. The value of k will be