A hemisphere and a cone have equal bases. If their heights are also equal, then the ratio of their curved surfaces will be: (A) 1:2… Read More

# Category Archives: QA – Placement Quizzes

A metallic hemisphere is melted and recast in the shape of a cone with the same base radius (R) as that of the hemisphere. If… Read More

A hemispherical bowl is filled to the brim with a beverage. The contents of the bowl are transferred into a cylindrical vessel whose radius is… Read More

The circumference of a circle is 100 cm. The side of a square inscribed in the circle is: (A) 50(2^0.5) (B) 100/Pi (C) [50(2^0.5)]/Pi (D)… Read More

The sides of a triangle are 6 cm, 11 cm and 15 cm. The radius of its in-circle is: (A) 3*(2)^0.5 (B) (4/5)*(2)^0.5 (C) (5/4)*(2)^0.5… Read More

An equilateral triangle, a square and a circle have equal perimeters. If T denotes the area of the triangle, S denotes the area of the… Read More

The area of the largest triangle that can be inscribed in a semi-circle of radius r, is:- (A) r^2 (B) 2r^2 (C) r^3 (D) 2r^3… Read More

If an area enclosed by a circle or a square or an equilateral triangle is the same, then the maximum perimeter is possessed by: (A)… Read More

If the radius of a circle is increased by 6%, then the area is increased by: (A) 14.96 (B) 11.24 (C) 13.64 (D) 12.36 Answer:… Read More

The difference between compound interest and simple interest on an amount of Rs 15,000 for 2 years is Rs 96. What is the rate of… Read More

The least number of complete years in which a sum of money put out at 20% compound interest will be more than doubled is: (A)… Read More

A sum of money is borrowed and paid back in two annual installments of Rs. 882 each allowing 5% compound interest. The sum borrowed was:… Read More

A total of 324 coins of 20 paise and 25 paise make a sum of Rs 71. The number of 25-paise coins is: (A) 104… Read More

A zoo has some peacocks and some horses. If the number of heads be 48 and the number of feet be 140, then the number… Read More

Find the value of (1-1/3)(1-1/4)(1-1/5)…(1-1/100). (A) 1/10 (B) 1/50 (C) 1/20 (D) 1/100 Answer: (B) Explanation: We have (1-1/3)(1-1/4)(1-1/5)…(1-1/100) = (2/3)(3/4)(4/5)…(99/100) = 2/100 = 1/50.Quiz… Read More