Class 7 Sample Math Olympiad Paper

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Math

Class : 7

Choose correct answer(s) from given choice 1) If y  is an integer, which of following must be an odd integer? a. 52y 3 + 3

b. 3y 

c. y 3 + 3

d. 3y  + 52

2) The number of days left in the month of November are double of the number of days already passed. How many days are left in the month ? a. 22 days

b. 18 days

c. 20 days

d. 24 days

3) A die has numbers 1 to 6, such that sum of opposite faces are always 7. Which is the correct view of die ?

a.

b.

c.

d.

4) If radius of a circle is doubled, what would be the ratio of new diameter to new circumference? a. 2 π

b. π + 2

c. π

d. π

2

5) 10% of 50% of 800 = ? a. 40

b. 36

c. 32

d. 48

6) If ABCD is a rectangle, find area of the shaded region (All dimensions are in m , and assume π = 22/7).

a. 74.75m

2

c. 78.75 m

2

b. 76.75m

2

d. 81.75m

2

7) If radius of a wheel of a bike is 39.9 cm. If wheel makes 4000 rotation in one minute, how far will bike travel in 80 minutes? (assume π = 22/7) a. 802.56 km

b. 642.04 km

c. 882.82 km

d. 722.3 km

8)

♠♠

= ♦♠♦ , ♠♦=●● , ♠=10

Based on above conditions, which of the following statement is true ? a.

c.

>● ♠ < ♦

♦

b.

d.

<● ● < ♠ ♠

9)

+ Find value of

>9

= 20

< 11

.

a. 12

b. 9

c. 8

d. 10 th

10) Saina plays football every 4 day. If she played football on Tuesday, after how many days will she play football again on a Friday? a. 23 days

b. 20 days

c. 26 days

d. 24 days

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Answer 1) a. 52y 3 + 3 2) c. 20 days

3) a. 4) c. π 5) a. 40 2 6) c. 78.75 m 7) a. 802.56 km 8) d.

●

<♠

9) d. 10 10) d. 24 days