For calculation of interest compounded half yearly, keeping the
principal same, which one of the following is true.
(a) Double the given annual rate and half the given number of years.
(b) Double the given annual rate as well as the given number of
years.
(c) Half the given annual rate as well as the given number of years.
(d) Half the given annual rate and double the given number of years.
To gain 25% after allowing a discount of 10%, the shopkeeper must
mark the price of the article which costs him Rs 360 as
(a) Rs 500 (b) Rs 450 (c) Rs 460 (d) Rs 486
If 90% of x is 315 km, then the value of x is
(a) 325 km (b) 350 km (c) 350 m (d) 325 m
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.
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