Home
Class 7
MATHS
If the 'tread' of each step is a cm, and...

If the 'tread' of each step is a cm, and there are n steps, make a formula for the length (d cm) of AB.

A

`d=(1)/(2)na`

B

`d=na`

C

`d=3na`

D

`d=na^(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ALGEBRAIC EXPRESSIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET-8|1 Videos

  • ALGEBRAIC EXPRESSIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET-9|1 Videos

  • ALGEBRAIC EXPRESSIONS

    S CHAND IIT JEE FOUNDATION|Exercise SELF ASSESSMENT SHEET-6 |1 Videos

  • ALGEBRIC IDENTITIES

    S CHAND IIT JEE FOUNDATION|Exercise Self Assessment Sheet-7|10 Videos

Similar Questions

Explore conceptually related problems

Figureshows a number of equal steps. If the 'rise' of each step is h cm, are there are n steps, make a formula for the height (H) in centrimeters of the steps.

A person of mass 40 kg picked up a bag of mangoes and climbed ten steps . If the bag contains ten mangoes , each of mass 0.5 kg and the height of each step is 10 cm , then find the work done by the person in carrying that till tenth step (Take g = 10 m s^(-2) ).

Ashoke and Ravi stood before a plane mirror at a distance of 3 m from it. Ashok walked 5 steps towards the mirror, each step measuring 30 cm. Ravi walked 8 steps away from the mirror, each step measuring 25 cm. The distance between Ravi and the image of Ashoke in the mirror is ______ m.

If in the figure AB=a,AC=4cm, while D is the circle of the circle and D is a points betbeen O and B such that AD_|_BC.The length (in cm) of OD is

If length of AB is 9cm, then,find the length of CP.

Each step in a food chain represents in a .............

S CHAND IIT JEE FOUNDATION-ALGEBRAIC EXPRESSIONS -SELF ASSESSMENT SHEET-7
  1. If the 'tread' of each step is a cm, and there are n steps, make a for...

    Text Solution

    |