High Order Thinking Skills -2

# High Order Thinking Skills -2

Test Description

## 20 Questions MCQ Test Mathematics Olympiad Class 7 | High Order Thinking Skills -2

High Order Thinking Skills -2 for Class 7 2022 is part of Mathematics Olympiad Class 7 preparation. The High Order Thinking Skills -2 questions and answers have been prepared according to the Class 7 exam syllabus.The High Order Thinking Skills -2 MCQs are made for Class 7 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for High Order Thinking Skills -2 below.
Solutions of High Order Thinking Skills -2 questions in English are available as part of our Mathematics Olympiad Class 7 for Class 7 & High Order Thinking Skills -2 solutions in Hindi for Mathematics Olympiad Class 7 course. Download more important topics, notes, lectures and mock test series for Class 7 Exam by signing up for free. Attempt High Order Thinking Skills -2 | 20 questions in 40 minutes | Mock test for Class 7 preparation | Free important questions MCQ to study Mathematics Olympiad Class 7 for Class 7 Exam | Download free PDF with solutions
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High Order Thinking Skills -2 - Question 1

### The circumference of a circle is 176 cm. What is its diameter?

Detailed Solution for High Order Thinking Skills -2 - Question 1

Let r  be the radius of the circle.
2π r = 176. Diameter = 28 × 2 = 56cm.

High Order Thinking Skills -2 - Question 2

### If the ratio between the length and perimeter of a rectangle is 1 : 3. What is the ratio of length and breadth of rectangle?

Detailed Solution for High Order Thinking Skills -2 - Question 2  High Order Thinking Skills -2 - Question 3

### Mr. Tiwari buys some stationaries for Rs. 237.35 and some books for Rs. 509.75. He gave a note of Rs. 1000 to the shopkeeper. How much money he gets from the shopkeeper?

Detailed Solution for High Order Thinking Skills -2 - Question 3

Required money
= 1000 – (237.35 + 509.75)
= 1000 – 747.10 = 252.90

High Order Thinking Skills -2 - Question 4

What is the product of additive inverse of (–17) and multiplicative inverse of 85?

Detailed Solution for High Order Thinking Skills -2 - Question 4

Additive inverse of –17 = 17 Multiplicative inverse of 85 = 1/85 High Order Thinking Skills -2 - Question 5

By what number should be divided to obtain Detailed Solution for High Order Thinking Skills -2 - Question 5   High Order Thinking Skills -2 - Question 6

By selling apples at the rate of per apple, a shopkeeper gets 420. How many apples does he sell?

Detailed Solution for High Order Thinking Skills -2 - Question 6

No. of apples =  High Order Thinking Skills -2 - Question 7

What is decimal equivalent of 7mm in kilometer?

Detailed Solution for High Order Thinking Skills -2 - Question 7 High Order Thinking Skills -2 - Question 8

Write the simplified value of 72.09 – 26.83 + 18.96 – 37.24.

Detailed Solution for High Order Thinking Skills -2 - Question 8

72.09 – 26.83 + 18.96 – 37.24
= (72.09 + 18.96) – (26.83 + 37.24)
= 91.05 – 64.07 = 26.98

High Order Thinking Skills -2 - Question 9

What is the product of 0.8 × 0.008 × 8.8 ?

Detailed Solution for High Order Thinking Skills -2 - Question 9

0.8 × 0.008 × 8.8 High Order Thinking Skills -2 - Question 10

A bag contains 50 paise, 25 paise and 10 paise coins in the ratio 5 : 9 : 4 amounting to Rs. 206. What is the difference of the number of 50 paise and number of 25 paise coins?

Detailed Solution for High Order Thinking Skills -2 - Question 10  No. of 50p coins = 5x = 5 × 40 = 200
No. of 25p coins = 9x = 9 × 40 = 360
Difference = 360 – 200 = 160

High Order Thinking Skills -2 - Question 11

​What is the perimeter of rectangle whose length is 40m and diagonal 41m?

Detailed Solution for High Order Thinking Skills -2 - Question 11 High Order Thinking Skills -2 - Question 12

The cost of 6 dozen eggs is Rs 132. How much will 132 eggs cost?

Detailed Solution for High Order Thinking Skills -2 - Question 12  = 22 × 11
= Rs. 242

High Order Thinking Skills -2 - Question 13

A number is increased by 10% and then decreased by 10%. What is the net increase or decrease percent?

Detailed Solution for High Order Thinking Skills -2 - Question 13

Let the number be 100.
After 10% increase, number = 100 + 10 = 110 Decrease 10% 110 – 10% of 110 = 110 – 11 = 99
Net decrease = 100 – 99 = 1%

High Order Thinking Skills -2 - Question 14

A sum of money lent at simple interest amounts to Rs. 3224 in 2 years and Rs. 4160 in 5 years. What is the rate of interest per amounts?

Detailed Solution for High Order Thinking Skills -2 - Question 14

Let the sum be P.  High Order Thinking Skills -2 - Question 15

In the given figure, AB || CD, ∠ABO = 50°, ∠CDO = 40°. What is the measure of ∠BOD?​ Detailed Solution for High Order Thinking Skills -2 - Question 15 AB || PQ ∠ABO = ∠BOQ = 50°
PQ || CD ∠ODC = ∠DOQ = 40°
∠BOD = 50° + 40° = 90°

High Order Thinking Skills -2 - Question 16

In the given figure x : y = 2 : 3, ∠ACD = 130°.
​What is the value of y? Detailed Solution for High Order Thinking Skills -2 - Question 16 High Order Thinking Skills -2 - Question 17

What is the area of a right triangle whose base is 1.2m and hypotenuse 3.7m?

Detailed Solution for High Order Thinking Skills -2 - Question 17

Area of right triangle =  High Order Thinking Skills -2 - Question 18

The circumference of a circle exceeds its diameter by 18cm. What is the radius of the circle?

Detailed Solution for High Order Thinking Skills -2 - Question 18 High Order Thinking Skills -2 - Question 19

A rope makes 140 rounds of the circumference of a cylinder, the radius of whose base is 14cm. How many times can it go round a cylinder with radius 20cm?

Detailed Solution for High Order Thinking Skills -2 - Question 19

Length of rope = 2πr × 140 Number of rounds =  High Order Thinking Skills -2 - Question 20

Evaluate

-39 ÷ 13

Detailed Solution for High Order Thinking Skills -2 - Question 20

−39 ÷ 13 ⇒ −3
Hence,  −39 ÷ 13 = −3