List of top Quantitative Aptitude Questions on Average asked in KMAT KERALA

In a class there are 30 girls and 20 boys and their average height is 160 cm. If the average height of girls is 150 cm, then the average height of boys is
In a survey of 80 people, 35 like tea, 40 like coffee and 15 like both. The number of people who like tea only, is