Question

choose the correct answer-

a) The result of 6x(x2 + 2) is
(i) 6x2 + 12x (ii) 6x2 + 2
(iii) 6x3 + 12x (iv) 6x3 + 12

b) Suppose a certain sum doubles in 2 years at % rate of simple interest or at R% rate of
interest per annum compounded annually. What can we say about R and r?
(i) r<R
(ii) R<r
(iii) R = r
(iv) cannot be determined

c) Which of the following vary inversely with each other?
(i) the speed and the distance covered (ii) the distance covered and the taxi fare
(iii) the distance travelled and the time take (iv) the speed and the time taken

d) Which of the following is the top view of the given shape?​

Answer 1

Step-by-step explanation:

a (ii) 6x2 + 2

b (i) r<R

c the speed and the time taken

Answer 2

a) (ii)

b)(i)

c)(iv)

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