State similarities and differences between the laboratory thermometer
and the clinical thermometer.
If marked price of an article is Rs 1,200 and the discount is 12%
then the selling price of the article is
(a) Rs 1,056 (b) Rs 1,344 (c) Rs 1,212 (d) Rs 1,188
The compound interest on Rs 50,000 at 4% per annum for 2 years
compounded annually is
(a) Rs 4,000 (b) Rs 4,080 (c) Rs 4,280 (d) Rs 4,050
Suppose a certain sum doubles in 2 years at r % rate of simple
interest per annum or at R% rate of interest per annum compounded
annually. We have
(a) r < R (b) R < r (c) R = r (d) can’t be decided
Suppose for the principal P, rate R% and time T, the simple interest
is S and compound interest is C. Consider the possibilities.
(i) C > S (ii) C = S (iii) C < S
Then
(a) only (i) is correct.
(b) either (i) or (ii) is correct.
(c) either (ii) or (iii) is correct.
(d) only (iii) is correct.
Find the compound interest on Rs 48,000 for one year
at 8% per annum when compounded half yearly.
Which part of the digestive canal is involved in:
(i) absorption of food ________________.
(ii) chewing of food ________________.
(iii) killing of bacteria ________________.
(iv) complete digestion of food ________________.
(v) formation of faeces ________________.
10. Write one similarity and one difference between the nutrition in amoeba
and human beings.
11. Match the items of Column I with suitable items in Column II
Column I Column II
(a) Salivary gland (i) Bile juice secretion
(b) Stomach (ii) Storage of undigested food
(c) Liver (iii) Saliva secretion
(d) Rectum (iv) Acid release
(e) Small intestine (v) Digestion is completed
(f ) Large intestine (vi) Absorption of water
(vii) Release of faeces
Vishakha offers a discount of 20% on all the items at her
shop and still makes a profit of 12%. What is the cost
price of an article marked at Rs 280?
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