Математикийн тестүүд 7-р анги

Question 1

Which option shows 4500000 in scientific notation?

A. 4.5 × 10⁷ B. 45 × 10⁶ C. 0.45 × 10⁶ D. 4.5 × 10⁶

Question 2

Angle XYZ and angle WYZ are Supplementary Angles. Angle XYZ is 60^o. Find the value of angle WYZ.

A. 40^o B. 30^o C. 120^o D. 140^o

Question 3

Amy ran for miles on Monday, miles on Tuesday and miles on Wednesday. How many miles did she run in three days?

A. B. C. D.

Question 4

What is the slope of line shown in the graph?

A. 3 B. 1.5 C. 2 D. 4

Question 5

Write the following expression as an algebraic expression.

The square of a number n, increased by 9.

A. n2 + 9 B. 2ⁿ + 9 C. n² + 9 D. n⁹ + 2

Question 6

Which property of multiplication is shown here?

5×(40 + 3) = 5×(40) + 5×(3)

A. Identity B. Zero C. Distributive D. Associative

Question 7

Regular price of a vase was $80. After receiving a discount, Marty paid $56 for that vase. How much discount did he get?

A. 60% B. 30% C. 50% D. 25%

Question 8

Solve the following equation for x.

2x − 16 = 2

A. x = 18 B. x = 20 C. x = 8 D. x = 9

Question 9

An ice-cream slab, as shown in picture, was divided equally among 5 kids. Calculate the volume of the ice-cream each kid received.

A. 320 cm³ B. 256 cm³ C. 1280 cm³ D. 640 cm³

Question 10

Larry invested $12,000 in an account at 5.5% annual simple interest, how long will it take his account balance to grow to $13,320?

A. 3 years B. 2 years C. 20 months D. 15 months