Mahabir Singh Solutions for Chapter: SOF International Mathematics Olympiad, Exercise 4: Exercise

Author:Mahabir Singh

Mahabir Singh Mathematics Solutions for Exercise - Mahabir Singh Solutions for Chapter: SOF International Mathematics Olympiad, Exercise 4: Exercise

Attempt the practice questions on Chapter 17: SOF International Mathematics Olympiad, Exercise 4: Exercise with hints and solutions to strengthen your understanding. IMO Olympiad Work Book 7 solutions are prepared by Experienced Embibe Experts.

Questions from Mahabir Singh Solutions for Chapter: SOF International Mathematics Olympiad, Exercise 4: Exercise with Hints & Solutions

MEDIUM
7th Foundation
IMPORTANT

State `Tfor true and `F for false and select the correct option.
(i)   Every natural number is a rational number.
(ii)  Every rational number is a fraction.
(iii) Zero is not a rational number.

(iv) The reciprocal of 0 is 10

MEDIUM
7th Foundation
IMPORTANT

Match the following.

  Column-I  Column-II
(P) If 2700×x6=27×108, then x= (i) 6
(Q) If pqr=0, then xpr2qxpqr= (ii) 900
(R) 2×2n+32n+4-23×2n+22 is equal to (iii) 10
(S) 3-25×5-34×7-452-12×72-10×34-3×57-2equals (iv) 1

 

MEDIUM
7th Foundation
IMPORTANT

In the given figure (not drawn to scale), if ABCGEF then find

(i) 2z-x     (ii) x+2y

Question Image

HARD
7th Foundation
IMPORTANT

Study the following statements carefully and select the correct option.

Statement-I: A hall is 36 m long and 24 m broad. If allowing area of 40 m2 for doors and windows, the cost of papering the walls at 8.40 per square metre is 4704, then the height of the hall is 5 m.
Statement-II: If the difference between the circumference and diameter of a circle is 154 cm, then the radius of circle is 30.93 cm.

HARD
7th Foundation
IMPORTANT

The given double bar graph shows the sale of mobile phones and cars from 2005 to 2008.

Question Image

(i) Find the ratio of the total number of
mobile phones sold in 2006 and 2008
to the total number of cars sold in
2005 and 2007
(ii) What is the average number of cars
sold from 2005 to 2008?