### NTA NET 2020 MATHEMATICAL REASONING QUESTIONS

The volume of a cube of side 10.0 cm is changed by increasing its sides by 1.0%. The
percentage increase in the volume of the cube is
(A) 1%
(B) 6%
(C) 3%
(D) 10%
A man walks at a speed of 3 km/hour from location A towards east for 1 hour and
then turning left walks at a speed of 1.5 km/hour for 6 hours towards north to a location
B. The shortest distance between locations A and B is
(A) 10 km
(B) 12 km
(C) 8.54 km (D) 9.48 km Consider the following number series 2, 10, 30, 68, X. What is the term X?
(A) 130
(B) 92
(C) 88
(D) 76 A household Incurs a certain expenditure on the consumption of a commodity in a
given month. If the price of the commodity is decreased by 20% and its consumption is
increased by 20%, what will be the net percent increase or decrease in the expenditure
of the household?
(A) 2%
(B) 4%
(C) 8%
(D) 10% A man covers a distance of 22 km in 4 hours by initially walking and then jogging at speed of
4km/hour and 10 km/hour, respectively. The