If a store room of a house is in the shape of a cuboid having a length of 3 m, a width of 2 m, and a height of 4m, find the total area of its four walls.

Direction: In the given question, two equations numbered l and II are given. Solve both the equations and mark the appropriate answer.

I. X² = 9²
II. (Y – 8)² = 9

$$ {40 \%}\ of( {20\over 4}×?)=48$$

Three bells ring at interval of 36 seconds, 40 seconds and 48 seconds respectively. They start ringing together at a par- ticular time They will ring to gether after every 

Direction: What value will come in place of the question mark (?) in the following question?

33, 42, 67, 116, 197, ?

If a shopkeeper sells an article at 10% loss by giving half discount on the marked price, then what will be its cost price?

Two equal circles intersect such that each pass through the center of the other. If the length of the common chord of the circle is 10√3 cm, then what is the diameter of the circle?

The value of   $${sin23^0cos67^0+sec52^0sin38^0+cos23^0sin67^0+cosec52^0cos38^0}\over cosec^220^0-tan^270^0$$ is