130) The average salary of 30 employees in a company is Rs. 4000. If the manager's salary is added the average salary increases to Rs. 4300. What is the salary of the manager?
Answer is:
Rs. 13,300
Related RRB JE Mechanical Question Paper 2014 (Set-2) with Answers
Answer is:
Toughness
Explanation:
Thus, the impact strength of a material is an index of its toughness. Tensile strength refers to the amount of tensile (stretching) stress a material can withstand before breaking or failing. Hardness is the ability of a material to resist permanent change of shape caused by an external force.
