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प्र: This phenomenon is sometimes referred to as the southern lights. 1719 0

उत्तर : 1. "Aurora australis"
व्याख्या :
Answer: A) Aurora australis Explanation: Polar lights (aurora polaris) are a natural phenomenon found in both the northern and southern hemispheres that can be truly awe inspiring. Northern lights are also called by their scientific name, aurora borealis, and Southern lights are called aurora australis.

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1719 0

उत्तर : 1. "50 days"
व्याख्या :
Answer: A) 50 days Explanation: 50 men can build a tank in 40 days Assume 1 man does 1 unit of work in 1 day Then the total work is 50×40 = 2000 units 50 men work in the first 10 days and completes 50×10 = 500 units of work 45 men work in the next 10 days and completes 45×10 = 450 units of work 40 men work in the next 10 days and completes 40×10 = 400 units of work 35 men work in the next 10 days and completes 35×10 = 350 units of work So far 500 + 450 + 400 + 350 = 1700 units of work is completed and Remaining work is 2000 - 1700 = 300 units 30 men work in the next 10 days. In each day, they does 30 units of work. Therefore, additional days required = 300/30 =10 Thus, total 10+10+10+10+10 = 50 days required.

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1718 0

उत्तर : 1. "Rs. 2000"
व्याख्या :
Answer: A) Rs. 2000 Explanation: Let 'x' be the cost price.Now Marked price = x + 30x/100 = 13x/1010% discount = 10/100 x 13x/10 = 13x/100 Selling price = 13x/10 - 13x/100 = 117x/100Given gain = 340Here gain = 117x/100 - x = 17x/100 = 340 => x = Rs. 2000.

प्र: Which Country has listed Yoga as a "sports activities"? 1718 1

उत्तर : 1. "Saudi Arabia"
व्याख्या :
Answer: A) Saudi Arabia Explanation:

प्र: Why did charles babbage invent the computer? 1718 0

उत्तर :
व्याख्या :
Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1717 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

प्र: What is black when you buy it, red when you use it, and gray when you throw it away? 1717 0

उत्तर : 2. "Charcoal"
व्याख्या :
Answer: B) Charcoal Explanation: It is Charcoal which is black when we buy it or when not being used. It gets red in appearance when put in use means to say when burning. And eventually when it's been consumed by fire or after getting burned out or used up, changes into ashes which look grey in color.

प्र: Someone who loans money is called 1717 0

उत्तर : 1. "Lender"
व्याख्या :
Answer: A) Lender Explanation: Someone who receives money in exchange for a promise to pay it back later is called a borrower1, and the person making the loan is the lender.

प्र: This phenomenon is sometimes referred to as the southern lights. 1719 0

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1719 0

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1718 0

प्र: Which Country has listed Yoga as a "sports activities"? 1718 1

उत्तर : 1. "Saudi Arabia"
व्याख्या :
Answer: A) Saudi Arabia Explanation:

प्र: Why did charles babbage invent the computer? 1718 0

उत्तर :
व्याख्या :
Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1717 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

प्र: What is black when you buy it, red when you use it, and gray when you throw it away? 1717 0

प्र: Someone who loans money is called 1717 0

उत्तर : 1. "Lender"
व्याख्या :
Answer: A) Lender Explanation: Someone who receives money in exchange for a promise to pay it back later is called a borrower1, and the person making the loan is the lender.

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प्र: This phenomenon is sometimes referred to as the southern lights. 1719 05b5cc670e4d2b4197774c02f

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1719 05b5cc76fe4d2b4197774ff71

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1718 05b5cc6e0e4d2b4197774eb9d

प्र: Which Country has listed Yoga as a "sports activities"? 1718 15b5cc6bee4d2b4197774d99c

उत्तर : 1. "Saudi Arabia" व्याख्या :Answer: A) Saudi Arabia Explanation:

प्र: Why did charles babbage invent the computer? 1718 05b5cc63de4d2b4197774bafe

उत्तर : व्याख्या :Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1717 05b5cc6b6e4d2b4197774d59e

उत्तर : 3. "33.33%" व्याख्या :Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

प्र: What is black when you buy it, red when you use it, and gray when you throw it away? 1717 05b5cc636e4d2b4197774ba52

प्र: Someone who loans money is called 1717 05b5cc69ce4d2b4197774c841

उत्तर : 1. "Lender" व्याख्या :Answer: A) Lender Explanation: Someone who receives money in exchange for a promise to pay it back later is called a borrower1, and the person making the loan is the lender.

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त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: This phenomenon is sometimes referred to as the southern lights. 1719 0

प्र: 50 men can build a tank in 40days, but though they begin the work together, 5 men quit every ten days. The time needed to build the tank is ? 1719 0

प्र: A trader marked the price of the T.V. 30% above the cost price of the T.V. and gave the purchaser 10% discount on the marked price, thereby gaining Rs.340. Find the cost price of the T.V ? 1718 0

प्र: Which Country has listed Yoga as a "sports activities"? 1718 1

उत्तर : 1. "Saudi Arabia"
व्याख्या :
Answer: A) Saudi Arabia Explanation:

प्र: Why did charles babbage invent the computer? 1718 0

उत्तर :
व्याख्या :
Charles Babbage, the father of computer, invented the first general-purpose computer in an effort to prevent the mathematical errors that were prevalent in the human-calculated mathematics of his time.

प्र: A mixture contains 25% milk and rest water. What percent of this mixture must taken out and replaced with milk so that in mixture milk and water may become equal. 1717 0

उत्तर : 3. "33.33%"
व्याख्या :
Answer: C) 33.33% Explanation: Now, take percentage of milk and applying mixture rule 25 100 50 50 25 = 2 : 1 Hence required answer = 1/3 or 33.33%

प्र: What is black when you buy it, red when you use it, and gray when you throw it away? 1717 0

प्र: Someone who loans money is called 1717 0

उत्तर : 1. "Lender"
व्याख्या :
Answer: A) Lender Explanation: Someone who receives money in exchange for a promise to pay it back later is called a borrower1, and the person making the loan is the lender.