Quiz no.5 Gk Static Gk #short#quizshorts#trandingshorts

(a) What is short-sightedness ? State the two causes of short-sightedness (or myopia). With the help of ray diagram, show : (i) the eye-defect short-sightedness. (ii) correction of short-sightedness by using a lens. (b) A person having short-sight cannot see objects clearly beyond a distance of 1.5 m. What would be the nature and power of the corrective lens to restore proper vision ?

There are 200 questions in a 3 h examination. Among 200 questions, 50 are from Mathematics, 100 are from GK and 50 are from Science. Ram spent twice as much time on each Mathematics question as for each other question. How many minutes did he spend on Mathematics questions ?

In a school,only 2 out of 5 students can participate in a quiz.What is the chance that a student picked at random makes it to the competition?

How will be the following errors rectified? Sales Book is short casted by Rs. 5,000. (ii) Sales Return Book is short casted by Rs. 500. Balance of Sales Book is carried forward short by Rs. 1,000. (iv) Balance of Sales Return Book is carried forward short by Rs. 100.

A child receives a tall beautiful plant as a birthday gift from his father with a quiz. The father asked her how she would verify whether this tall plant was the progeny of both the tall parents or one tall and one short parent plant. She could verify this through

A cell of emf 6 V and resistance 0.5 ohm is short circuited. The current in the cell is

Form the pair of linear equations in the following problems, and find their solutions graphically. (i) 10 students of Class X took pan in a Mathematics quiz. If the number of girls is 4 more than the number of boys, find the number of boys and girls who took part in the quiz. (ii) 5 pencils and 7 pens together cost Rs 50, whereas 7 pencils and 5 pens together cost Rs 46. Find the cost of one pencil and that of one pen.

This frequency table shows the results of a small class quiz . If a student is selected at random, the probability that he or she scored 2, 4, or 5 is {:("Marks ", "Frequency "),(" "1," "4),(" "2," "3),(" "3," "2),(" "4," "6),(" "5," "5):}