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**exampundit**. Here is a set of Quantitative Aptitude Quiz for RBI Grade B Phase I - 2017.

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1. Harshit decided to start a
food chain outlet of his own eight years after his graduation. He invested Rs
30,00,000 in the food chain outlet business from which he expected a return of
6 % compounded annually. If the investment was planned to be double in 72/r
years, where r is the interest rate p.a. , what can be the value of the total
investment from this outlet business after 48 years?

A) 2,40,00,000

B) 3,60,00,000

C) 4,80,00,000

D) 67,00,000

E) None of these

2.Subham owns a juice outlet. He
has hired a boy to take care of the business in the shop. The boy sells10
litres of juice from a juice bucket containing 40 litres of pure juice to Ram,
the first customer. He then adds 10 litres of water to the bucket and again
sells 10 litres of the mixture to Ramu, the 2nd customer and then again adds 10
litres of water to the bucket. Again he sells 10 litres of the mixture to
Shyam, the 3rd customer who arrives at the shop and then adds 10 litres of
water to the bucket and so on. Gopal arrives one person after the 3rd
customer.Gopal’s juice will have how much amount of pure juice?

A) 510/128

B) 505/128

C) 410/128

D) 405/128

E) None of the above

3. 10 years ago the ages of Shyam
and Priyanka were in the ratio 5:4. Presently, Shyam’s age is one-sixth more
than Priyanka’s age. They married 10 years ago and now they have 6 children
including a triplet and twins. The triplets, twins and the sixth child had
their ages in the ratio 3:2:1. Recently
one day Shyam had to attend a survey where he had to report the total age of
the family. What can be the possible total age reported by Shyam?

A) 79

B) 93

C) 101

D) 107

E) None of these

4.Silumin and Magnox are the two
alloys which were made by mixing Aluminium and Silicon in the ratio 6:9 and
7:11 respectively. If 40g silumin and 60 g alloy magnox are melted and mixed to
form another alloy named Nambe, then what is the ratio of aluminium and silicon
in Nambe?

A) 6:9

B) 59:91

C) 5:9

D) 59:90

E) None of these

5.In a school, students were
called for the flag hoisting ceremony on August 15. After the ceremony, small
boxes of sweets were distributed among the students. In each class the student
with roll no. 1 got one box of sweets, roll no. 2 got 2 boxes of sweet, and so
on. In class 3 a total of 1200 boxes of sweets were distributed. By mistake one
of the students of class 7th got double the sweets, he was entitled to get.
Identify the roll number of the student who got twice as many boxes of sweets
as compared to his entitlement?

A) 22

B) 28

C) 24

D) 30

E) None of these

6. An oil reservoir in the shape
of an inverted cone is connected with three pipes The cone has its base at the
top. P and Q are two inlet pipes connected to the top of the reservoir which
can fill the reservoir in 8 hours and 12 hours respectively. R is an outlet
pipe which can empty the reservoir in 4 hours and is connected to the bottom.
All the three pipes are opened when the reservoir is completely filled with
oil. For continuous 20 hours, two out of three pipes are kept open and the
third pipe remains open for a lesser time. This causes the height of the water
inside the reservoir to come down to 50%. Which of the following conditions are
possible for the above situation to take place?

A. P was open for 19 hours.

B. P was open for 19 hours 30
minutes.

C. Q was open for 19 hours 30
minutes.

D. R was open for 19 hours 50
minutes.

E. Not possible.

7. Rakshit decided to invest a
sum of money in mutual funds in the beginning of the year 2004. The accumulated
interest was Rs.10,000 in the beginning of 2007 and in the beginning of 2010,
the accumulated interest becomes Rs.25,000. The interest rate is compounded
annually and the annual interest rate is fixed. The principal amount is:

A) 16000

B) 18000

C) 20000

D) 25000

E) None of these

8. Dheeraj bought a solid metal
cylinder of iron with dimensions 10 cm height and 14 cm diameter. But he did
not find the cylindrical shape useful and hence melted it and re-cast it into
two cones having their volumes in the ratio of
3: 4 without changing the height. Due to Dheeraj’s change in shape of
the Iron, determine the percentage change in the flat surface area before and
after?

A) 9%

B) 16%

C) 25%

D) 50%

E) None of these

9. Arun is a wholesaler and he
fixed the MRP of his typewriters at 55% above its production cost. The
typewriter was then dispatched to a retailer named Harish to be sold in the
local market, who plans to gain 23% profit on his purchase price. If Harish
gives 10% discount on MRP, then find the profit percentage for Arun who sells
his product to Harish calculated to the nearest integer?

A) 22%

B) 15%

C) 13%

D) 11%

E) None of these

10.Thiourea is a chemical
produced by mixing Hydrogen and Sulphur in the ratio of 5: 4. Hydrogen is prepared by mixing two micro elements ,
P and Q, in the ratio of 1: 3. Sulphur
is prepared by mixing two micro elements, Q and
R, in the ratio of 2: 1. The final required industrial product is
prepared by mixing 864 units of Thiourea with alcohol. If the concentration of
the raw material P in the final mixture is 50%, how much alcohol had been added
to Thiourea ?

A) 328 units

B) 368 units

C) 392 units

D) 616 units

E) None of the above

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