Question

whoever answers these questions i will mark as brainliest 9. Find the perimeter of a regular hexagon with side 5cm. A. 20cm B. 26cm C. 30cm D. 36cm E. 42cm 10. The price of a television set is reduced from N20 000.00 to N16 000.00. Find the percentage discount. A. 5 B. 10 C. 20 D. 30 E. 50 11. The volume of a cuboid is 24cm3. If the base is 6cm by 2cm, find the height of the cuboid. A. 2cm B. 3cm C. 4cm D. 5cm E. 12cm 12. What is the sum of the interior angles of an octagon? A. 540° B. 680° C. 720° D. 1080° E.1200° 13. A basket contains 40 mangoes, out of which 22 are good. Find the percentage of the mangoes that are bad. A. 18 B. 22 C. 24 D. 45 E. 60 14. One-third of the sum of 15 and thrice a certain number is equal to twice the number. Find the number. A. 3 B. 5 C. 7 D. 10 E. 15 15. If 6 men can finish a particular work in 4 days, how many days will it take 8 men if they are working at the same rate? A. 2 B. 3 C. 4 D. 6 E. 8 16.Calculate the simple interest on N7 500.00 for 4 years at % per annum A. N1 200.00 B. N1 350.00 C. N1 530.00 D. N2 700.00 E. N3 060.00 17. A map is drawn to a scale of 1cm to represent 50km. If the actual distance between the two villages is 480km, what is the distance on the map? A. 4.8cm B. 5.0cm C. 9.6cm D. 48.0cm E. 2400.0cm 18. Expand (x + 7) (x – 3) A. x2 – 4x – 21 B. x2 – 4x + 20 C. x2 + 4x – 21 D. x2 + 4x + 21 E. x2 + 10x – 21 19. What is the reciprocal of – 0.9 A. 9 B. C. 0.9 D. – 0.9 E. 20. If 9 exercise books cost N540.00, how much will 14 of such cost? A. N640.00 B. N740.00 C. N840.00 D. N900.00 E. N960.00

Answer 1

Step-by-step explanation:

perimeter of hexagon is sum of its all sides

5+20+26+30+36+42 is 159

answer is 20

it is 2cm

1080 degrees

45 percentage

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