Question

d) - 8
(a) 36
(c) 310
15. If radius of circle is 21cm then area of circle is
(a) 211 (b) 4411
(c) 63π d)
16. Find the value of 5x - 2 when x =2
(a) 8
(b) 3
(c) 12
17. Exponetial form of 3²x34x36 is
(b) 312
(d) 348
18. Area of triangle is
(a) 1/2 (bxh) (5) (bxh) (c) 1/2(b+h) (d) (b+h)
19. Profit percent equal to
(a) px100/cp (b) cpx100/p (c) spx100/cp (d) none
20. Intrest is equal to
(a) PR/T100 (b) PRT/100 (c) RT/100 (d) PT/100
PART B'​

Answer 1

Answer:

15) 1386 cm² or 441π

16) 8

17) 3^4.2³.17

18) a

19) a

20) b

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