Student found a wooden stopper in lab. He was told by an old lab attendant that it is there for many years. He kept thinking how it did not rot?

A question paper has two sections. section I has 5 questions and section II has 6 questions. A student must answer at least two question from each among 6 questions he answers. How many different coices does the student have in choosing question?

In a competitive examination, there were 60 questions. The correct answer would carry 2 marks, and for incorrect answer 1 mark would be deducted. Yashwant had attempted all the questions and he got total 90 maks. Then how many answers did he get wrong?

Javed deposited ₹ 12,000 at 9 p.c.p.a. in a bank for some years. At the end of the period he received altogether ₹ 17,4000. For how many years did he deposit his money ?

A question paper has 6 questions. How many ways does a student have to answer if he wants to solve at least one question?

A student is to answer 8 out of 1 0 questions in an examination. How many choices he has, if he must answer atleast four of the first five questions?

Write the given information as an equation and find its solution : Haraba owned some sheep. After selling 34 of them in the market, he still had 176 sheep. How many sheep did Haraba have at first?