Campus Maths Puzzle Logical Reasoning Coding Decoding

You have two sand timers, which can show 4 minutes and 7 minutes respectively. Use both the sand timers(at a time or one after other or any other combination) and measure a time of 9 minutes.

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In what ratio should wheat at Rs. 4.5 per kg be mixed with another variety at Rs. 5.25 per kg so that the mixture is worth of Rs. 5 per kg
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Campus Other Question

8) There is a set of 36 distinct points on a plane with the following characters
There is a subset of A consisting of 14 collinear points
Any subset of 3 or more collinear points from the are a subset of A
How many distinct D will positive area can be formed with each other of its
vertices being one of the 36 points? (the triangle are said to be distinct if at least
one of vertices is different.
a)7140 b) 47774 c)1540 d)6776 In a family, there are four daughters Aasha, Eesha, Trisha, and Usha. Each girl has exactly one necklace and one bracelet. Each of these eight ornaments was bought in either 2007, 2008, or 2009. The eight ornaments were bought in a manner consistent with the following conditions:

A. The necklace for each girl was bought either in an earlier year than or in the same year as the bracelet for that girl.
B. The necklace for Eesha and the bracelet for Aasha were bought in the same year.
The necklace for Trisha and the bracelet for Usha were bought in the same year.
C. The necklace for Eesha and the necklace for Trisha were bought in different years.
D. The necklace for Aasha and the bracelet for Trisha were bought in 2008.