If you start from the circle and end at the triangle, what is the minimum number of straight lines required to pass through all the dots without retracing any route? You are allowed to pass through a dot more than once. [Figure: see page 5 of source PDF]

In the container given below of dimensions (40 cm × 20 cm × 20 cm), four objects are dipped in water. Objects P and Q are made of some light material while objects R and S are made of iron and copper, respectively. The object P is a cube of edge 4 cm with 1/10th floating above wa…

If each word is written in a single font and normal and bold versions of the same font are not to be counted separately, how many fonts are used in the given set of words? [Figure: see page 6 of source PDF]

A street has 13 houses in a row as shown in the figure. Some residents in the first house tested positive for COVID-19. The virus spreads in two ways: it can spread to the next house, or jump directly to the third house. Residents of house number 2 can get infection in only one w…

The figure shows views of the same solid. Count the number of surfaces. [Figure: see page 6 of source PDF]

The corners of the green and red triangles coincide with the centres of the circles. All the circles have equal diameters and adjacent circles touch each other. If the area of the green triangle is 3.14, what is the area of the red triangle? [Figure: see page 4 of source PDF]

There are apples and oranges in a basket that can carry a maximum of 50 fruits. Some fruits are rotten and some are good. The number of rotten apples is twice the number of good apples. The number of good oranges is twice the number of rotten oranges. The number of oranges is thr…

How many triangles are there in the figure shown? [Figure: see page 3 of source PDF]

Four views of a convex solid are shown. How many surfaces does the solid have? [Figure: see page 7 of source PDF]