1.Nair borrowed a sum of Rs. 100
from Kapoor at the simple rate of 5% p.a. for 3 years. He then added some more
money to the borrowed sum and lent it to Dipak for the same time at 8% p.a. If
Nair gains Rs. 173 by way of interest on the total lent out money, then find
the amount lent out.
(a) Rs. 350
(b) Rs. 550
(c) Rs. 261
(d) None of these
2. If A and B together can finish a
piece of work in 20 days B and C in 10 days and C and A in 12 days, then A, B
and C jointly can finish the same work in
(a) 30 days
(b) 8(4/7 )days
(c) 4(2/7) days
(d) None
3. 4 men, 5 women and 3 children
together can complete a piece of work in 16 days. In how many days can 10 women
complete the piece or work if 10 men complete it in 24 days.
(a) 30 days
(b) 19(1/5) days
(c) 18 days
(d) Cannot be determined
4. 42 binders can bind 2800 books in
30 days. How many binders will be required to bind 1600 books in 20 days?
(a) 18
(b) 36
(c) 32
(d) 24
5.The sum of five consecutive even
number of set A is 220 what is the sum of a different set of five consecutive
numbers whose second lowest number is 37 less than double of the lowest number
of set A.
(a) 220
(b) 225
(c) 235
(d) 243
6.Four examiners can examine certain
number of answer papers in 10 days by working for 5 hours a day. For how many
hours in a day would 2 examiners have to work in order to examine twice the
number of answer papers in 20 days.
(a) 8 hrs.
(b) 7(1/2) hrs.
(c) 10 hrs.
(d) 8(1/2) hrs.
7.Two men or three women can
complete a piece of work in 4 days. In how many days can 1 woman and 1 man
together complete the same piece of work?
(a) 6 days
(b) 24/5 days
(c) 12/1.75 days
(d) Cannot be determined
8. Shilpi took a loan at simple
interest of 5% in the first year with an increase of 0.5% in each subsequent
year. She paid interest of Rs. 2645 after four years. How much loan did she
take?
(a) Rs. 10500
(b) Rs. 11500
(c) Rs. 16500
(d) Cannot be determined
9. Three pipes A, B, C respectively
fills up with chemical Q, R and S in a tank. They can fill up the tank in 30
min, 20 min and 10 min respectively. Three pipes are opened for 5 minutes, then
proportion of chemical R in the tank will be
(a) 6/11
(b) 2/11
(c) 3/11
(d) 4/11
10. Bhawna decided to donate 12% of
her salary to an orphanage. On the day of donation she changed her mind and
donated Rs. 2400 which was 125% of what she had decided earlier. How much is
Bhavan’s salary?
(a) Rs. 14750
(b) Rs. 16,000
(c) Rs. 18,000
(d) Cannot be determined
Answers and Solution:
1. (d)
2. (b)
2(A+B+C)'s 1 day work = 1/20 + 1/10 + 1/12 = 14/60
(A+B+C)'s 1 day work = 7/30 * 1/2 => Required time = 60/7 = 8(4/7) day.
3. (d)
4. (b)
M1D1/W1 = M2D2/W2
=(42*30)/2800 = (x*20)/1600
x = 36 days
5. (a)
6. (c)
7. (b)
2 men = 3 women => 1 man + 1 woman = (3/2 +1)women
M1D1 = M2D2 => 3*4 = 5/2*D2 => D2= 24/5 days.
8. (b)
9. (c)
10. (b)
125/100 * 12/100 * s = 2400
s = 16000
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