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Question : The chemical formula of washing soda is ______.

Option 1: Na2CO3.10H2O

Option 2: Na2SO4

Option 3: NaOH

Option 4: NaHCO3

Team Careers360 22nd Jan, 2024

Correct Answer: Na2CO3.10H2O


Solution : The correct answer is Na2CO3.10H2O.

The chemical formula for washing soda is Na2CO3.10H2O. It is a sodium carbonate inorganic hydrate. Soda ash got its name because

15 Views

Question : Mohan sold his watch at a loss of 10%. If he had sold it for Rs. 45 more, he would have made a profit of 5%. The selling price (in Rs.) of the watch was:

Option 1: 300

Option 2: 900

Option 3: 110

Option 4: 270

Team Careers360 17th Jan, 2024

Correct Answer: 270


Solution : Let the cost price of the watch be $x$.
Mohan sold his watch at a loss of 10%.
So, selling price = $\frac{90}{100}×x$
If he had sold it for Rs. 45 more, he would have made a profit of 5%.
So, then selling price =

15 Views

Question : The base of a right prism is a right-angled triangle whose sides are 5 cm, 12 cm, and 13 cm. If the area of the total surface of the prism is 360 cm2, then its height is:

Option 1: 10 cm

Option 2: 12 cm

Option 3: 9 cm

Option 4: 11 cm

Team Careers360 23rd Jan, 2024

Correct Answer: 10 cm


Solution : The area of the total surface of the prism = 360 cm2
The base of the right-angled triangle = 5 cm
The perpendicular of the right-angled triangle = 12 cm
Hypotenuse of the right-angled triangle = 13 cm
Perimeter of base of prism

5 Views

Question : Which among the following teams won the SAFF (South Asian Football Federation) Women's Championship 2022?

Option 1: Nepal

Option 2: Pakistan

Option 3: India

Option 4: Bangladesh

Team Careers360 23rd Jan, 2024

Correct Answer: Bangladesh


Solution : The correct option is Bangladesh.

Bangladesh accomplished a historic first-ever victory at the SAFF Women's Championship, winning the first-ever title at the Dashrath Rangshala Stadium in Kathmandu, Nepal. The Bangladeshi team defeated the home team, Nepal, 3-1 in the finals, securing victory with remarkable

13 Views

Question : The chemical formula of borax is

Option 1: Na2B5 O7 .10H2O

Option 2: Na2B4O7.10H2O

Option 3: Na2B4O7.5H2O

Option 4: Na2B4O7.12H2O

Team Careers360 18th Jan, 2024

Correct Answer: Na2B4O7.10H2O


Solution : The correct answer is Na2B4O7.10H2O.

The chemical formula of Borax is Na2B4O7·10H2O. It consists of two sodium (Na) atoms, four boron

10 Views

Question :

Directions: Find the odd word pair from the given responses.

Option 1: Foreword

Option 2: Text

Option 3: Index

Option 4: Preface

Team Careers360 21st Jan, 2024

Correct Answer: Index


Solution : Let's check each option –
First option: Foreword; It is a short introduction to a book.
Second option: Text; The main written part of a book, newspaper, or document but it does not include pictures.
Third option: Index; An alphabetical list of names, subjects, etc.

11 Views

Question : A batsman makes 81 runs in the 16th match and thus increases his average runs per match by 3. What is his average after the 16th match?

Option 1: 35

Option 2: 34

Option 3: 33

Option 4: 36

Team Careers360 22nd Jan, 2024

Correct Answer: 36


Solution : Given:
A batsman makes 81 runs in the 16th match and thus increases his average runs per match by 3.
Let his average for 15 innings be $x$.
So, the total number of runs in first 15 innings $= 15x$
According to the question,
$16×(x+3)-15x=81$

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