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प्र: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 1165 0

उत्तर : 1. "Rs. 15,000"
व्याख्या :
Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

प्र: The edge of three cubes of metal is 3 m, 4 m and 5 m. They are melted and formed into a single cube. Find the edge of the new cube ? 1165 0

उत्तर : 3. "6 m"
व्याख्या :
Answer: C) 6 m Explanation: The edge of the new cube is = 33+43+53 = a3 => a = 6 m.

प्र: Which Noble Gas has the highest First Ionization Energy? 1162 0

उत्तर : 2. "Helium"
व्याख्या :
Answer: B) Helium Explanation: Helium has the highest First Ionization Energy in the Noble Gases group. Ionization Energy :: Ionisation energy is the energy required to remove one mole of electrons from one mole of gaseous atoms. Atoms are more stable when they have full valence shells. Noble Gases have a very stable electron configuration, therefore, they have the highest amount of ionization energy within their periods. It decreases down a family because electrons farther from the nucleus are easier to remove. Ionization Energy levels of Noble Gases group in Descending Order :: He, Ne, Ar, Kr, Xe, Rn

प्र: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I? 1160 0

उत्तर :
व्याख्या :
I am History. Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.

प्र: In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture ? 1156 0

उत्तर : 3. "48 lit"
व्याख्या :
Answer: C) 48 lit Explanation: Let the amount of juice and water in original mixture '4x' litre and '3x' litre respectively. According to given data, 4x/3x+6 =8/7 28x=24x+48 28x–24x=48 4x = 48 x = 12 Amount of juice = 4x = 4×12 = 48 litre.

प्र: In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ? 1156 0

उत्तर : 4. "65"
व्याख्या :
Answer: D) 65 Explanation: Total strength of the class is given by 15 + 44 + 4 + 3 - 1 = 65

प्र: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1155 0

उत्तर : 3. "Half work"
व्याख्या :
Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.

प्र: According to a report by New World Wealth, which is the richest city in the world 2018? 1154 0

उत्तर : 2. "New York"
व्याख्या :
Answer: B) New York Explanation: New York City, London, and Tokyo are the richest cities in the world 2018, according to their ranks.

प्र: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 1165 05b5cc6dbe4d2b4197774e904

उत्तर : 1. "Rs. 15,000" व्याख्या :Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

प्र: The edge of three cubes of metal is 3 m, 4 m and 5 m. They are melted and formed into a single cube. Find the edge of the new cube ? 1165 05b5cc6e7e4d2b4197774eda1

उत्तर : 3. "6 m" व्याख्या :Answer: C) 6 m Explanation: The edge of the new cube is = 33+43+53 = a3 => a = 6 m.

प्र: Which Noble Gas has the highest First Ionization Energy? 1162 05b5cc6b0e4d2b4197774d298

प्र: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I? 1160 05b5cc639e4d2b4197774baab

उत्तर : व्याख्या :I am History. Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.

प्र: In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture ? 1156 05b5cc6c9e4d2b4197774dfbb

उत्तर : 3. "48 lit" व्याख्या :Answer: C) 48 lit Explanation: Let the amount of juice and water in original mixture '4x' litre and '3x' litre respectively. According to given data, 4x/3x+6 =8/7 28x=24x+48 28x–24x=48 4x = 48 x = 12 Amount of juice = 4x = 4×12 = 48 litre.

प्र: In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ? 1156 05b5cc6cee4d2b4197774e241

उत्तर : 4. "65" व्याख्या :Answer: D) 65 Explanation: Total strength of the class is given by 15 + 44 + 4 + 3 - 1 = 65

प्र: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1155 05b5cc6dde4d2b4197774ea14

उत्तर : 3. "Half work" व्याख्या :Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.

प्र: According to a report by New World Wealth, which is the richest city in the world 2018? 1154 05b5cc6a2e4d2b4197774cb3d

उत्तर : 2. "New York" व्याख्या :Answer: B) New York Explanation: New York City, London, and Tokyo are the richest cities in the world 2018, according to their ranks.

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प्र: A lady took loan from a bank at the rate of 12% p.a. simple interest. After 3 years she had to pay Rs. 5400 interest only for the period. The principal amount borrowed by her was : 1165 0

उत्तर : 1. "Rs. 15,000"
व्याख्या :
Answer: A) Rs. 15,000 Explanation: Principal = Rs.(100 x 5400)/(12 x 3)= Rs. 15000.

प्र: The edge of three cubes of metal is 3 m, 4 m and 5 m. They are melted and formed into a single cube. Find the edge of the new cube ? 1165 0

उत्तर : 3. "6 m"
व्याख्या :
Answer: C) 6 m Explanation: The edge of the new cube is = 33+43+53 = a3 => a = 6 m.

प्र: Which Noble Gas has the highest First Ionization Energy? 1162 0

प्र: You will always find me in the past. I can be created in the present, But the future can never taint me. What am I? 1160 0

उत्तर :
व्याख्या :
I am History. Yes, history refers to all the past, but we can create history in the presentand it cannot be polluted in the future.

प्र: In a mixture, the ratio of juice and water is 4 : 3. By adding 6 litre water the ratio of juice and water will be 8 : 7. What is the amount of juice in the original mixture ? 1156 0

उत्तर : 3. "48 lit"
व्याख्या :
Answer: C) 48 lit Explanation: Let the amount of juice and water in original mixture '4x' litre and '3x' litre respectively. According to given data, 4x/3x+6 =8/7 28x=24x+48 28x–24x=48 4x = 48 x = 12 Amount of juice = 4x = 4×12 = 48 litre.

प्र: In a slip test, K got the 15th rank and he was 44th from the bottom of the list of passed students. 4 students did not take up the slip test and 3 students were failed. What is the total strenght of the class ? 1156 0

उत्तर : 4. "65"
व्याख्या :
Answer: D) 65 Explanation: Total strength of the class is given by 15 + 44 + 4 + 3 - 1 = 65

प्र: A can finish a work in 18 days and B can do the same work in half the time taken by A. then, working together, what part of the same work they can finish in a day ? 1155 0

उत्तर : 3. "Half work"
व्याख्या :
Answer: C) Half work Explanation: A can do the work = 18 daysB can do the work = 18/2 = 9 days(A + B)'s 1 day work = 1/18 + 1/9 = 1/6=> In 3 days = 3x1/6 = 1/2 work is completed.

प्र: According to a report by New World Wealth, which is the richest city in the world 2018? 1154 0

उत्तर : 2. "New York"
व्याख्या :
Answer: B) New York Explanation: New York City, London, and Tokyo are the richest cities in the world 2018, according to their ranks.