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### 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