Quantitative Aptitude Quiz for RBI Assistant 2015 – Set 5



Hello and welcome to ExamPundit. Here is a set of Quantitative Aptitude Quiz for RBI Assistant 2015.

1. A boat covers a
distance of 112 km in 8 hours down stream. To cover the same distance upstream,
the
boat takes 20 hours longer. What
is the speed of boat in still water ?
(a) 8 kmh–1
(b) 9 kmh–1
(c) 11 kmh–1
(d) 12 kmh–1
(e) 14 kmh–1
2. A father is 2.5
times the age of his son. After 15 years he will be 5/3 times the age of his
son. What is
the age of son at
present ?
(a) 8 years
(b) 10 years
(c) 12 years
(d) 15 years
(e) 18 years
3. A mechanic bought
three cars at Rs. 11200 each and spent Rs.4800 on repair of all cars. At what
price
must he sell each car to gain
12 % ?
(a) Rs.13848
(b) Rs.14336
(c) Rs.14724
(d) Rs.15018
(e) Rs.15232
4. 27 men can do a
piece of work in 32 days. How many days will 12 men take to finish half of the
work ?
(a) 24 days
(b) 27 days
(c) 32 days
(d) 36 days
(e) 42 days
5. Subham sold his
watch at 14% profit on the cost price. If he got Rs. 371 as profit, then what
is the cost
price of watch ?
(a) Rs. 2650
(b) Rs.2700
(c) Rs.2750
(d) Rs.2800
(e) None of these
6. 3/7th
of a number is equal to 48% of another number. What is the difference of these
two numbers ?
(a) 18
(b) 21
(c) 24
(d) Can’t be determined
(e) None of these
7. A train crosses a
240 m long bridge in 25 seconds and it crosses a pole in 9 seconds. What is the
speed
of train in kmh–1 ?
(a) 36 kmh–1
(b) 45 kmh–1
(c) 54 kmh–1
(d) 72 kmh–1
(e) None of these
8. Cost price of an
article is 68% of its selling price. What is the approximate percentage profit
?
(a) 32 %
(b) 34 %
(c) 47 %
(d) 68 %
(e) None of these
9. The prices of a
mobile and radio are in the ratio of 19 : 7. If a mobile costs Rs.4800 more
than a radio
then what is the price
of mobile ?
(a) Rs. 6800
(b) Rs. 7200
(c) Rs. 7600
(d) Rs. 7800
(e) Rs. 8400
10. The difference
between simple interest and compound interest at the same rate for Rs. 8000 in
two
years is Rs. 28.80. The rate of
interest is ?
(a) 4 % p.a
(b) 6 % p.a
(c) 8 % p.a
(d) 10 % p.a
(e) 12 % p.a



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