Olympiad Test: Decimals -1 - Class 7 MCQ

# Olympiad Test: Decimals -1 - Class 7 MCQ

Test Description

## 10 Questions MCQ Test Mathematics Olympiad Class 7 - Olympiad Test: Decimals -1

Olympiad Test: Decimals -1 for Class 7 2024 is part of Mathematics Olympiad Class 7 preparation. The Olympiad Test: Decimals -1 questions and answers have been prepared according to the Class 7 exam syllabus.The Olympiad Test: Decimals -1 MCQs are made for Class 7 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Decimals -1 below.
Olympiad Test: Decimals -1 - Question 1

### How many pieces of plywood each 0.35 cm thick are required to make a pile 189 cm high?

Detailed Solution for Olympiad Test: Decimals -1 - Question 1

Number of pieces of plywood

= 27 × 20 = 540

Olympiad Test: Decimals -1 - Question 2

### Each side of a polygon is 3.9 cm and its perimeter is 31.2 cm. How many sides does the polygon have?

Detailed Solution for Olympiad Test: Decimals -1 - Question 2

Let the polygon has n sides.
3.9 × n = 31.2

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Olympiad Test: Decimals -1 - Question 3

### The weight of 47 bags of sugar is 3889.25 kg. What is the weight of each bag ?

Detailed Solution for Olympiad Test: Decimals -1 - Question 3

Weight of each bag
= 82.75 kg

Olympiad Test: Decimals -1 - Question 4

0.4 ÷0.4 ÷0.4 = ?

Detailed Solution for Olympiad Test: Decimals -1 - Question 4

0.4 ÷ 0.4 ÷ 0.4

Olympiad Test: Decimals -1 - Question 5

1 metre of cloth costs Rs 109.25. What is the cost of 19.5 metres of this cloth?

Detailed Solution for Olympiad Test: Decimals -1 - Question 5

Total cost = 109.25 × 19.5
=  Rs 2130.375

Olympiad Test: Decimals -1 - Question 6

A bus can cover 31.25 km in half an hour. How much distance it cover in 16 hours ?

Detailed Solution for Olympiad Test: Decimals -1 - Question 6

Distance = speed × Time

= 62.5
km Distance = 62.5 ×16 = 1000 km

Olympiad Test: Decimals -1 - Question 7

(0.25)2 – (0.19)2 = ?

Detailed Solution for Olympiad Test: Decimals -1 - Question 7

(0.25)2 – (019)2
= 0.0625 – 0.0361
= 0.0264

Olympiad Test: Decimals -1 - Question 8

Mohan purchased a notebook for Rs 27.75, a pencil for Rs 4.25 and a Pen 26.45. He gives a 100– rupee note to the shopkeeper. What amount did he get back ?

Detailed Solution for Olympiad Test: Decimals -1 - Question 8

100 – (27.75 + 4.25 + 26 .45)
= 100–58.45 = 41.55

Olympiad Test: Decimals -1 - Question 9

Find the sum of 67.66, 6.766, 676.6 & 0.676.

Detailed Solution for Olympiad Test: Decimals -1 - Question 9

67.66 + 6.766 + 676.6 +0.676 = 751.702

Olympiad Test: Decimals -1 - Question 10

Naresh bought 4 kg 270 g potato, 2 kg 170 g onion and some tomato. If the total weight of these vegetables is 11 kg 230 g. What is the weight of tomato?

Detailed Solution for Olympiad Test: Decimals -1 - Question 10

Weight of tomato
= 11.230 – (4.270 + 2.170)
= 11.23 –6.44 = 4.79 kg

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