Exams

If an atom has atomic number 10 and mass number 23, then what will be the number of protons and neutrons in an atom respectively?

If x2+y2+z2-8x+6y-4z+29 = 0, then find the value of z(x+y).

A man is facing towards the west. He turns 45 degrees clockwise and then another 180 degrees anticlockwise. Finally, he turns 90 degrees in the right. Which direction is he facing now?

By increasing the price of entry ticket to a fair in the ratio 13:16, the number of visitors to the fair has decreased in the ratio 11:9. In what ratio has the total collection increased or decreased?

Find the area (in cm2) of a semi-circle of radius 28 cm.

In the following question, a word has been written in four different ways out of which only one is correctly spelt. Select the correctly spelt word.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.

A high degree of skill

Select the word with the correct spelling.