The average of 12 numbers is 20. The average of two of them is 25. What is the average of the rest of the numbers?
- AOption (a)
17
- BOption (b)
18
- COption (c)
19
- DOption (d)
20
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Correct answer
17
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Browse complete papersThe average of 12 numbers is 20. The average of two of them is 25. What is the average of the rest of the numbers?
17
18
19
20
Correct answer
17
How many times does the digit 6 appear between 501 and 599?
18
19
20
21
Correct answer
18
P, Q and R invested in business in the ratio of 5:6:8, respectively. After one year, R withdrew 50% of his investment, and P invested an additional 60% of his investment. After 2 years, what is the ratio of distribution of profit among them, respectively?
7:8:9
11:12:13
13:12:12
14:12:11
Correct answer
7:8:9
Find the ratio at which salt of ₹ 17.00 per kg should be mixed with salt of ₹ 20.00 per kg to produce salt of ₹ 18.40 per kg.
7:8
8:7
6:9
9:6
Correct answer
7:8
By how much above the cost price should the goods be marked for sale so that after allowing a trade discount of 20% and a cash discount of 12\(\frac{1}{2}\)%, a net gain of 40% on the cost price is made?
80% above C.P.
60% above C.P.
82.5% above C.P
100% above C.P.
Correct answer
80% above C.P.
A sum of money yields compound interest ₹ 720.00 in one year and ₹ 1483.20 in two years, compounded annually. What is the rate of interest?
5.75%
6.00%
6.20%
6.25%
Correct answer
5.75%
The cost of 7 mangoes and 4 oranges is the same as 5 mangoes and 7 oranges. What is the ratio of the cost of one mango to one orange?
1:2
2:3
3:2
1:4
Correct answer
1:2
A 100 m long train is running at a speed of 72 km/hr. How much time will it take to cross a bridge 240 m long?
15 sec
16 sec
17 sec
18 sec
Correct answer
15 sec
Divide ₹ 4200 between Aditya and Aradhika so that the amount received by Aditya at the end of 4 years is equal to the amount received by Aradhika at the end of 5 years; compound interest being at 10% per annum, compounded annually.
₹ 2300 , ₹ 1900
₹ 2200 , ₹ 2000
₹ 2400 , ₹ 1800
₹ 2250 , ₹ 1950
Correct answer
₹ 2300 , ₹ 1900
A shopkeeper sells 30 items at ₹ 160 per item, after giving a discount of 20%. He earns 25% profit. If the discount is not given, the profit gained is:
\(65 \frac{1}{2} % \ \)
\(66 % \ \)
\(56 \frac{1}{4} % \ \)
\(60 %\)
Correct answer
\(65 \frac{1}{2} % \ \)