If 120 is 20% of a number, then 120% of that number will be
720
Zinc and copper are in the ratio 5:3 in 400 gm of an alloy. How much of copper(in grams) should be added to make the ratio 5:4?
50
The average age of A and B is 20 years. If A is to be replaced by C, the average would be 19 years. the average age of C and A is 21 years. The ages of A. B and C in order(in years) are
22,18,20
A reduction of 10% in the price of a commodity enables a person to buy 25 kg more for Rs. 225. The Original price of commodity per kg was
Rs. 1
Mohan sold his watch at 10% loss. if he had sold it for Rs. 45 more, he would have made 5% profit. The selling price(in Rs.) of the watch was
270
A vendor loses the selling price of 4 oranges on selling 36 oranges. His loss percent is
10%
The area of the triangle formed by the graphs of 3x+4y=12.x-axis and y-axis(in sq.units) is
6
The altitude drawn to the base of an isosceles triangle is 8 cm and its perimeter is 64 cm. The area(in cm²) of the triangle is
120
If the ratio of volumes of two cones cones is 2:3 and the ratio of the radii of their bases is 1:2, then the ratio of their heights will be
8:3
If a chord of a circle is equal to the radius of the circle, then the angle subtended by the chord at a point on the minor arc is