Exams

A ceramic pottery unit hires 8 craftsmen by paying each of them Rs 900 per day. The 9th craftsman demands Rs 950 per day. If this craftsman is hired then all other craftsmen must be paid Rs 950. The marginal resource (labour) cost of the 9th craftsman is _________.

The bar graph shows results of a survey carried out within a club. The members of the club were asked which soft drink they consumed? Study the diagram and answer the following questions.

Which soft drink was consumed the second highest?

Two tangents PA and PB are drawn to a circle of centre O in such a way that angle AOB = 120 deg. Calculate the value of angle APB.

ΔPQR is right angled at Q. If cosP = 3/5, then what is the value of cosR ?

The number of valence electrons in an atom of Phosphorous is

An element has an atomic weight of W and an atomic number of N. The number of protons in the nucleus of its atom is

X and Y are two children playing a game. They start from the same point. X walks 11 m North, then turns to his right and walks 21 m. At the same time, Y walks 11 m East, then turns South and walks 5 m, then turns to his left and walks 10 m. Where is Y now with respect to the position of X?