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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
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
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
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 =
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
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
Question : Comprehension: In the following passage, some words have been deleted. Fill in the blanks with the help of the alternatives given. Select the most appropriate option for each number.
In the early 1920's, settlers came to Alaska looking for (1)_____. They travelled by boat to the coastal towns of Seward and Knik, and from there by land into the gold fields. The trail they used to (2)______ inland is known today as the Iditarod Trail, one of the National Historic Trails designated (3)_____ the Congress of the United States. The Iditarod Trail quickly became a major thoroughfare in Alaska, as the mail and supplies were (4)_____ across this trail. People also used it to get from place to place, including the priests, ministers, and judges who had to travel between villages. In the winter, the settlers' only means of travel down this trail was via dog (5)______. Question: Select the most appropriate option to fill in the blank No. 5.
Option 1: smell
Option 2: sled
Option 3: bark
Option 4: boat
Correct Answer: sled
Solution : The second option is the correct answer.
Given the context, "sled" is the most appropriate option, as it aligns with the common practice of using sleds or sled-like vehicles, often pulled by dogs, for transportation in snowy and icy conditions. The settlers likely used dog
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
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
Question : Directions: Two statements are given, followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I) All actors are singers. II) Some musicians are dancers. Conclusions: I) All dancers are musicians. II) Some singers are actors.
Option 1: Neither Conclusion I nor II follows
Option 2: Only conclusion II follows
Option 3: Both conclusions I and II follow
Option 4: Only conclusion I follows
Correct Answer: Only conclusion II follows
Solution : The possible Venn diagram, according to the given statements is as follows – Let's analyse the conclusions – Conclusion (I): All dancers are musicians – From the Venn diagram, it is evident that the circles representing dancers and musicians intersect and have
Question : The chemical formula of borax is
Option 1: Na2B5 O7 .10H2O
Option 2: Na2B4O7.10H2O
Option 3: Na2B4O7.5H2O
Option 4: Na2B4O7.12H2O
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
Question :
Directions: Find the odd word pair from the given responses.
Option 1: Foreword
Option 2: Text
Option 3: Index
Option 4: Preface
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.
Question : Comprehension:
In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.
One month ago, he had lost his (1) __________ in a car crash. He had suffered from head injuries that had sent him into a coma for two weeks. With the crash, his (2) _________career as an F1 racer ended and all his ambitions tied to the sport were (3) __________. He was one of the youngest racers to have made it to the F1 (4) __________ and his skills were (5) _______ by any other racer in his country, they say.
Question:
Select the most appropriate option to fill in the blank number 5.
Option 1: upheld
Option 2: unmatched
Option 3: matched
Option 4: snatched
Correct Answer: unmatched
Solution : The correct choice is the second option.
Unmatched means to have no equal. This helps convey the meaning that nobody in the country could match his skills.
Therefore, the correct answer is unmatched.
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
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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