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Browse complete papersFind the compound interest on ₹7,600 at 5% per annum for 2 years, with the interest compounded annually
₹867
₹805
₹779
₹650
Correct answer
₹867
Vinod, Kajal, and Arpit invest ₹1,040, ₹1,390, and ₹1,890, respectively to start a business. If the profit at the end of the year is ₹1,440, then what is the share of Arpit in the profit?
₹627
₹629
₹632
₹630
Correct answer
₹627
The average of 6.5, 10.7, 20.1 and a is 19. The value of a is:
39.7
40.7
37.7
38.7
Correct answer
39.7
Simplify: \(\mathrm{(\frac{5}{2})x^2+5x-\frac{3}{2}+(\frac{5}{2})x^2-7x+\frac{5}{2}}\)
\(\mathrm{5x^2 + (-2)x + (1)}\)
\(\mathrm{-5x^2 - (-2)x - (1)}\)
\(\mathrm{-5x^2 - (-2)x + (1)}\)
\(\mathrm{5x^2 + (-2)x - (1)}\)
Correct answer
\(\mathrm{5x^2 + (-2)x + (1)}\)
For a data of 10 observations, the median is 10. The smallest and largest values of the data are 0 and 15, respectively. If these values are removed from the data, the median of the remaining eight observations will be:
12
7.5
8
10
Correct answer
12
The volume of a right circular cone is 6280 cm3 and the radius of its base is 20 cm. Find the curved surface area (in cm2 ) of the cone (use π = 3.14).
1570
1680
1460
1780
Correct answer
1570
The cost of a washing machine is 50% less than the cost of a TV. If the cost of the washing machine increases by 81% and that of the TV decreases by 32%, then what will be the percentage change in the total cost of 9 washing machines and 3 TVs?
Decrease by 36%
Increase by 38%
Decrease by 35%
Increase by 35.8%
Correct answer
Decrease by 36%
A man goes from place A to B at a speed of 12 km/hr and returns from B to A at a speed of 2 km/hr using the same route. The average speed (km/hr) for the whole journey is:
\(13\frac{3}{7}\)
\(3\frac{3}{7}\)
\(2\frac{3}{7}\)
\(12\frac{3}{7}\)
Correct answer
\(13\frac{3}{7}\)
The cost price of an article is ₹400, and its marked price is ₹800. If the seller offers a 17% discount on the marked price, what is his profit percentage?
69%
65%
66%
67%
Correct answer
69%
Meenakshi and Seenu together can complete a piece of work in 40 days. Seenu and Ritika together can complete the same work in 24 days, and Ritika and Meenakshi together can complete the same work in 30 days. In how many days will all three of them together complete that work?
20
24
25
28
Correct answer
20