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Browse complete papersThe area of the base of a right circular cone is 2464 cm² and its height is 45 cm. What is the curved surface area of the cone?
(Use \(\pi\) = 22/7)
4222 cm2
5058 cm2
3646 cm2
4664 cm2
Correct answer
4222 cm2
An article is currently priced at ₹10,000. Its price increases by 26% in the first year and by 65% in the second year, but then decreases by 20% in the third year. What will be the price (in) of the article at the end of the third year?
16,632
16,634
16,628
16,637
Correct answer
16,632
3 chairs and 15 tables cost ₹6300 and 7 chairs and 12 tables cost ₹7800. What is the cost of 11 chairs and 16 tables?
₹11404
₹11398
₹11397
₹11400
Correct answer
₹11404
Find the mode for the following data representing weekly wages (₹) of workers.
| Wage Range (₹) | Frequency |
|---|---|
| 200-250 | 6 |
| 250-300 | 12 |
| 300-350 | 20 |
| 350-400 | 25 |
| 400-450 | 10 |
| 450-500 | 7 |
360.5
361
364
362.5
Correct answer
360.5
The volume of a cylinder having height 49 cm and radius 17 cm is __________.
\(Use \pi = \frac{22}{7}\)
44426 cm3
44580 cm3
44506 cm3
44492 cm3
Correct answer
44426 cm3
The average of 41 numbers is 36. The average of the first 19 numbers is 57 and the average of the last 23 numbers is 30. If the 19th number from the beginning is excluded, then what is the average of the remaining numbers?
27.1
33.689
29.475
25.25
Correct answer
27.1
A solid hemisphere of radius 14 cm is melted and recast into small hemispheres each of radius 7 cm. How many small hemispheres are formed?
6
16
27
8
Correct answer
6
A garrison of 1,210 men has provisions for 16 days. How long (in days) will the provisions last if the garrison be increased by 550 men?
12
9
10
11
Correct answer
12
Fourth proportion to 12, 18 and 6 is same as the third proportion to 4 and k. What is the positive value of k?
\( 8 \)
\( 6 \)
\( 4 \)
\( 7 \)
Correct answer
\( 8 \)
A man buys 12 identical articles for a total of ₹20. If he sells each of them for ₹2.1, then what is his profit percentage?
26%
20.63%
21.63%
27%
Correct answer
26%