1
GATE CSE 2020
MCQ (Single Correct Answer)
+2
-0.67
The figure below shows an annular ring with outer and inner radii as b and a, respectively. The annular space has been painted in the form of blue colour circles touching the outer and inner periphery of annular space. If maximum n number of circles can be painted, then the unpainted area available in annular space is _______. GATE CSE 2020 General Aptitude - Numerical Ability Question 31 English
A
$$\pi \left[ {\left( {{b^2} - {a^2}} \right) - {n \over 4}{{\left( {b - a} \right)}^2}} \right]$$
B
$$\pi \left[ {\left( {{b^2} - {a^2}} \right) - n{{\left( {b - a} \right)}^2}} \right]$$
C
$$\pi \left[ {\left( {{b^2} - {a^2}} \right) + n{{\left( {b - a} \right)}^2}} \right]$$
D
$$\pi \left[ {\left( {{b^2} - {a^2}} \right) + {n \over 4}{{\left( {b - a} \right)}^2}} \right]$$
2
GATE CSE 2020
MCQ (Single Correct Answer)
+2
-0.67
The total revenue of a company during 2014-2018 is shown in the bar graph. If the total expenditure of the company in each year is 500 million rupees, then the aggregate profit or loss (in percentage) on the total expenditure of the company during 2014-2018 is ______. GATE CSE 2020 General Aptitude - Numerical Ability Question 29 English
A
16.67% profit
B
20% profit
C
16.67% loss
D
20% loss
3
GATE CSE 2020
MCQ (Single Correct Answer)
+1
-0.33
Raman is confident of speaking English _____ six months as he has been practising regularly_____the last three weeks.
A
during, for
B
for, since
C
for, in
D
within, for
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