The arithmetic mean of the first 15 numbers is 82. The mean is
reduced by 6 when one of the numbers is removed. Find the
number that is excluded?
a.
164
b.
142
c.
100
d.
166
Correct Answer
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Q2mcq
Two bells are rung at intervals of 1,764 seconds and 2,268 seconds,
respectively. They are rung together at the start. After how much
time will the two bells ring together again for the first time?
a.
4 hours 12 minutes 18 seconds
b.
4 hours 24 minutes 36 seconds
Correct Answer
c.
4 hours 18 minutes 12 seconds
d.
4 hours 36 minutes 24 seconds
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Q3mcq
Which of the ratios given below is the greatest among them?
a.
7 : 11
Correct Answer
b.
4 : 7
c.
5 : 8
d.
3 : 5
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Q4mcq
A person walks from point P to Q at 5 km/hr and returns from Q to P
along the same route jogging at 10 km/hr. If the total time taken is 3
hours, what is the distance between P and Q?
a.
5 km
b.
10 km
Correct Answer
c.
20 km
d.
15 km
No explanation saved for this question yet.
Q5mcq
The value of a machine depreciates by 10% every year. What is the
total percentage depreciation after 2 years?
a.
20%
b.
22%
c.
19%
Correct Answer
d.
21%
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Q6mcq
Sunil purchased a microwave oven for ₹7,000. He spent ₹400 on its
transportation and ₹600 on repairs. He sold the oven for ₹9,800.
What is his percentage profit on total investment?
a.
22.5%
Correct Answer
b.
21.5%
c.
20.5%
d.
23.5%
No explanation saved for this question yet.
Q7mcq
A fruit seller sold mangoes at ₹600 per box last month. This month,
he first increased the price by 10% due to transportation costs and
then offered a discount of 15% on the increased price. What is the
final price of one box of mangoes?
a.
₹551
b.
₹571
c.
₹561
Correct Answer
d.
₹541
No explanation saved for this question yet.
Q8mcq
Which of the following numbers is completely divisible by 6?
a.
6,42,538
b.
8,91,452
c.
7,53,216
Correct Answer
d.
5,47,821
No explanation saved for this question yet.
Q9mcq
Two taps can fill a cistern in 2 hours and 37 hours, respectively. A
third tap can empty it in 37 hours. How long (in hours) will it take to
fill half of the empty cistern if all the taps are opened together?
a.
1
Correct Answer
b.
2
c.
3
d.
4
No explanation saved for this question yet.
Q10mcq
If the interest on a sum of ₹y at 10% per annum compounded
annually for 2 years is ₹462, then the total amount payable at the
end of the two-year period will be _________.
a.
₹2,762
b.
₹2,862
c.
₹2,662
Correct Answer
d.
₹2,962
No explanation saved for this question yet.
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The ratio of two numbers is 3 : 5. If 6 is subtracted from each, the
resulting numbers are in the ratio 1 : 2. Find the difference between
the two original numbers.
a.
12
b.
14
c.
10
d.
16
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A and B invest in a business in the ratio 5 : 7. After 4 months, C joins
the business with an investment equal to the amount invested by A.
At the end of one year, the total profit is ₹92,000. Find the sum (in ₹)
of the shares of partners B and C.
a.
₹62,000
b.
₹66,800
c.
₹49,600
d.
₹64,400
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The present age of a man is 4 years more than twice the present age
of his son. After 6 years, the sum of their ages will be 58 years. What
is the present age of the son?
a.
11 years
b.
14 years
c.
9 years
d.
10 years
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A shopkeeper offers the following schemes on toys of the same
marked price.
(A) Successive discounts of 16% and 29% on any number of toys
bought.
(B) Successive discounts of 4%, 34% and 37% on any number of toys
bought.
(C) 12% discount on the first 4 toys and 27% discount on each toy
thereon.
(D) 4 toys free of cost on buying 10 toys.
A customer wants to buy 10 toys. Which of the above schemes is the
least beneficial to her?
a.
B
b.
D
c.
C
d.
A
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A streaming service charges ₹150 per month. If you buy an annual
plan (12 months) with a 15% discount, what is your total savings (in
₹) compared to paying monthly for a year?
a.
270
b.
180
c.
300
d.
240
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Pipes X, Y, and Z together can fill a tank in 8 hours. If all three work
together for 3 hours, and then pipe Z is closed, the remaining tank is
filled by X and Y in 10 hours. In how many hours can pipe Z alone fill
the empty tank?
a.
32
b.
24
c.
18
d.
16
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