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Browse complete papersA and B can complete a work in 8 days. B alone can do it in 12 days. In how many days will A alone complete the work?
18 days
24 days
20 days
16 days
Correct answer
18 days
A and B complete a work in 15 days. B alone takes 25 days. In how many days will A alone complete the work?
37.5 days
40 days
45 days
50 days
Correct answer
37.5 days
A car travels 150 km in 3 hours. What is its speed?
85 km/h
50 km/h
55 km/h
60 km/h
Correct answer
85 km/h
A car takes 6 hours to cover a distance of 300 km. If its speed is increased by 10 km/h, how much time will it take?
5 hours
4.5 hours
5.5 hours
4 hours
Correct answer
5 hours
A sum fetches ₹2,400 as interest in 5 years at 8% per annum. What is the principal?
₹6,000
₹5,000
₹4,800
₹5,500
Correct answer
₹6,000
A triangle has sides 6 cm, 8 cm, and 10 cm. What type of triangle is this?
Acute
Obtuse
Right-angled
Equilateral
Correct answer
Acute
From a point P, a tangent is drawn to a circle with center O. The radius is 9 cm, and the distance from O to P is 15 cm. What is the length of the tangent?
44 cm
12 cm
40 cm
46 cm
Correct answer
44 cm
A solid cone is melted and recast into smaller cones of the same height but half the radius. How many smaller cones can be made?
2
4
6
8
Correct answer
2
A hemisphere and a cylinder have the same radius and height. The ratio of their volumes is:
2 : 7
2 : 3
8 : 5
1 : 2
Correct answer
2 : 7
If the volume of a rectangular parallelepiped is 240 cm3 and its base area is 30 cm2, what is its height?
6 cm
8 cm
10 cm
12 cm
Correct answer
6 cm