In an examination, a student score 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and secures 125 marks, the number of questions he attempts correctly is

• 35

• 40

• 42

• 46

Find a number, one-seventh of which exceeds its eleventh part by 100.

• 1925

• 1825

• 1540

• 1340

If  then x = ?

• 2

• 3

• 4

• 5

The value of  is

The value of  is

• 0

• 2.994

• 3.208

• 3

Mohan gets 3 marks for each correct sum and loses 2 marks for each wrong sum. He attempts 30 sums and obtains 40 marks. The number of sums solved correctly is

• 25

• 10

• 15

• 20

If  then the simplest value of x is

• 1

• -1

• -2

• 2

If  then the value of x is:

49.

If  then what is the value of x?

• 

• 

• 

•