Exams

Which of the following cube in the answer figure cannot be based on the unfolded cube in the question figure?

A series is given with one term missing. Select the correct alternative from the given ones that will complete the series.

ANT, CPV, ERX, ?, IVB

The external and the internal radii of a hollow right circular cylinder of height 15 cm are 6.75 cm and 5.25 cm respectively. If it is melted to form a solid cylinder of height half of the orignal cylinder, then the radius of the solid cylinder is

Given is a statement followed by two arguments numbered I and II. Consider the statement and the arguments and decide which of the arguments is strong.
Statement:
Is the choice of junk food a better option to create interest in eating in children?
Arguments:
I. Yes, the best way to create interest is to give the food a child likes.
II. No. junk food is the reason behind obesity, heart diseases, diabetes and other health problems and it is important to induce healthy eating habits in children.

The area of a triangle ABC is 63 sq.units. Two parallel lines DE, FG, are drawn such that they divide the line segments AB and AC into three equal parts. What is the area of the quadrilateral DEGF?

Calculate the ratio of the area of two similar triangles if the sides of the triangles are in the ratio of 9:4.

n an alloy, lead and tin are in the ratio of 2 : 3. In the second alloy, the ratio of same elements is 3 : 4. If equal quantities of these two alloy are mixed to forma new alloy, then what will be the ratio of these two elements in the new alloy? 

In triangle DEF measure of angle E is 90 deg. If cotD = 5/12 and DE = 1 cm, then what is the length (in cm) of side EF?