GATE CE 1997 | GATE CE Year Wise Previous Years Questions

PREVIOUS NEXT

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

Inverse of matrix $$\left[ {\matrix{ 0 & 1 & 0 \cr 0 & 0 & 1 \cr 1 & 0 & 0 \cr } } \right]$$ is

$$\left[ {\matrix{ 0 & 0 & 1 \cr 1 & 0 & 0 \cr 0 & 1 & 0 \cr } } \right]$$

$$\left[ {\matrix{ 1 & 0 & 0 \cr 0 & 0 & 1 \cr 0 & 1 & 0 \cr } } \right]$$

$$\left[ {\matrix{ 1 & 0 & 0 \cr 0 & 1 & 0 \cr 0 & 0 & 1 \cr } } \right]$$

$$\left[ {\matrix{ 0 & 0 & 1 \cr 0 & 1 & 0 \cr 1 & 0 & 0 \cr } } \right]$$

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

If $$A$$ and $$B$$ are two matrices and $$AB$$ exists then $$BA$$ exists,

only if $$A$$ has as many rows as $$B$$ has columns

only if both $$A$$ and $$B$$ are square matrices

only if $$A$$ and $$B$$ are skew matrices

only if both $$A$$ and $$B$$ are symmetric

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

MPN index is measure of one of the following:

Coliform bacteria

$$BOD_5$$

Dissolved Oxygen content

Hardness

GATE CE 1997

MCQ (Single Correct Answer)

-0.3

Alkalinity of water can be defined correctly in one of the following ways

it is the measure of ability of water to neutralize oxygen

it is the measure of ability of water to neutralize carbonates

it is the presence of ions in water that will neutralize hydrogen ions

it is the measure of ability of water to neutralize hydroxides

PREVIOUS NEXT

GATE CE Papers

2024

2023

2022

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1988

1987