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प्र: The cost price of 40 Magazines is the same as the selling price of 'P' articles. If the profit is 25%, then the value of 'P' is: 1909 0

उत्तर : 1. "32"
व्याख्या :
Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P. S.P. of P articles = Rs. 40. Profit = Rs. (40 - P) Now, Gain% = ProfitC.P×100 = 40-PP×100 Here 40-PP×100= 25 -->P = 32.

प्र: According to the Mercer’s 19th annual Quality of Living survey released in 2017, which of the following city has emerged as the best city in terms of living standards among Indian cities ? 1909 0

उत्तर : 2. "Hyderabad"
व्याख्या :
Answer: B) Hyderabad Explanation: According to the Mercer’s 19th annual Quality of Living survey released Hyderabad emerged as the best city in terms of living standards among Indian cities for the third year in a row.

प्र: A polygon has 44 diagonals, then the number of its sides are ? 1909 0

उत्तर : 3. "11"
व्याख्या :
Answer: C) 11 Explanation: Let the number of sides be n. The number of diagonals is given by nC2 - n Therefore, nC2 - n = 44, n>0 nC2 - n = 44 n2 - 3n - 88 = 0 n2 -11n + 8n - 88 = 0 n(n - 11) + 8(n - 11) = 0 n = -8 or n = 11. As n>0, n will not be -8. Therefore, n=11.

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1909 0

उत्तर : 2. "10 points"
व्याख्या :
Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: Is boiling water a chemical change? 1908 0

उत्तर :
व्याख्या :
No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous. Hence, Boiling water is a Physiacl change and not a chemical change.

प्र: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? 1908 0

उत्तर : 2. "6 hrs"
व्याख्या :
Answer: B) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.

प्र: India has ranked _____ rank in World Bank's 'Ease of doing business' index. 1908 0

उत्तर : 1. "100"
व्याख्या :
Answer: A) 100 Explanation:

प्र: The average age of Vishal and Raghavendra is 24 years. If a new person Veerender is also included, the average age is increased by 1.5 years. What is the age of Veerender? 1907 0

उत्तर : 1. "28.5 yrs"
व्याख्या :
Answer: A) 28.5 yrs Explanation: According to the given data, (V + R)/2 = 24 Now, after joining of Veerender, V + R + D)/3 = 25.5 Hence, Veerender Age = 3(25.5) - 2(24) = 76.5 - 48 = 28.5 years.

प्र: The cost price of 40 Magazines is the same as the selling price of 'P' articles. If the profit is 25%, then the value of 'P' is: 1909 05b5cc76ae4d2b4197774fe4f

उत्तर : 1. "32" व्याख्या :Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P. S.P. of P articles = Rs. 40. Profit = Rs. (40 - P) Now, Gain% = ProfitC.P×100 = 40-PP×100 Here 40-PP×100= 25 -->P = 32.

प्र: According to the Mercer’s 19th annual Quality of Living survey released in 2017, which of the following city has emerged as the best city in terms of living standards among Indian cities ? 1909 05b5cc715e4d2b4197774f43b

उत्तर : 2. "Hyderabad" व्याख्या :Answer: B) Hyderabad Explanation: According to the Mercer’s 19th annual Quality of Living survey released Hyderabad emerged as the best city in terms of living standards among Indian cities for the third year in a row.

प्र: A polygon has 44 diagonals, then the number of its sides are ? 1909 05b5cc754e4d2b4197774fbb9

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1909 05b5cc723e4d2b4197774f69a

उत्तर : 2. "10 points" व्याख्या :Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: Is boiling water a chemical change? 1908 05b5cc69de4d2b4197774c8a7

उत्तर : व्याख्या :No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous. Hence, Boiling water is a Physiacl change and not a chemical change.

प्र: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? 1908 05b5cc6eee4d2b4197774eee6

उत्तर : 2. "6 hrs" व्याख्या :Answer: B) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.

प्र: India has ranked _____ rank in World Bank's 'Ease of doing business' index. 1908 05b5cc6bfe4d2b4197774da5b

उत्तर : 1. "100" व्याख्या :Answer: A) 100 Explanation:

प्र: The average age of Vishal and Raghavendra is 24 years. If a new person Veerender is also included, the average age is increased by 1.5 years. What is the age of Veerender? 1907 05b5cc69de4d2b4197774c897

उत्तर : 1. "28.5 yrs" व्याख्या :Answer: A) 28.5 yrs Explanation: According to the given data, (V + R)/2 = 24 Now, after joining of Veerender, V + R + D)/3 = 25.5 Hence, Veerender Age = 3(25.5) - 2(24) = 76.5 - 48 = 28.5 years.

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प्र: The cost price of 40 Magazines is the same as the selling price of 'P' articles. If the profit is 25%, then the value of 'P' is: 1909 0

उत्तर : 1. "32"
व्याख्या :
Answer: A) 32 Explanation: Let C.P. of each Magazine be Rs. 1 C.P. of P articles = Rs. P. S.P. of P articles = Rs. 40. Profit = Rs. (40 - P) Now, Gain% = ProfitC.P×100 = 40-PP×100 Here 40-PP×100= 25 -->P = 32.

प्र: According to the Mercer’s 19th annual Quality of Living survey released in 2017, which of the following city has emerged as the best city in terms of living standards among Indian cities ? 1909 0

उत्तर : 2. "Hyderabad"
व्याख्या :
Answer: B) Hyderabad Explanation: According to the Mercer’s 19th annual Quality of Living survey released Hyderabad emerged as the best city in terms of living standards among Indian cities for the third year in a row.

प्र: A polygon has 44 diagonals, then the number of its sides are ? 1909 0

प्र: At a game of billiards, A can give B 20 points in 60 and A can give C 15 points in 60. How many points can C give B in a game of 90 ? 1909 0

उत्तर : 2. "10 points"
व्याख्या :
Answer: B) 10 points Explanation: a:b = 60:40a:c = 60:45c/a x a/b = 45/60 x 60/40 = 45/40 = 90/80So C gives B => 10 points.

प्र: Is boiling water a chemical change? 1908 0

उत्तर :
व्याख्या :
No. Boiling water is not a chemical change. Because in this process it doesn't loss its properties. It just changes its state i.e, from liquid state to gaseous. Hence, Boiling water is a Physiacl change and not a chemical change.

प्र: A take twice as much time as B or thrice as much time to finish a piece of work. Working together, they can finish the work in 2 days. B can do the work alone in ? 1908 0

उत्तर : 2. "6 hrs"
व्याख्या :
Answer: B) 6 hrs Explanation: Suppose A, B and C take x, x/2 and x/3 respectively to finish the work. Then, (1/x + 2/x + 3/x) = 1/2 6/x = 1/2 => x = 12 So, B takes 6 hours to finish the work.

प्र: India has ranked _____ rank in World Bank's 'Ease of doing business' index. 1908 0

उत्तर : 1. "100"
व्याख्या :
Answer: A) 100 Explanation:

प्र: The average age of Vishal and Raghavendra is 24 years. If a new person Veerender is also included, the average age is increased by 1.5 years. What is the age of Veerender? 1907 0

उत्तर : 1. "28.5 yrs"
व्याख्या :
Answer: A) 28.5 yrs Explanation: According to the given data, (V + R)/2 = 24 Now, after joining of Veerender, V + R + D)/3 = 25.5 Hence, Veerender Age = 3(25.5) - 2(24) = 76.5 - 48 = 28.5 years.